The 4 Temperaments: Traits, Strengths & Weaknesses

The study of human behaviors has existed since ancient philosophical traditions dating back to ancient civilizations of Egypt, Greece, China, and India. However, the scientific and systematic study of human behavior emerged in the late 19th century with the establishment of the first psychology laboratories by Wilhelm Wundt in 1878.^[1]Wikipedia contributors. (n.d.). History of psychology. In Wikipedia, The Free Encyclopedia. Retrieved September 25, 2025, from https://en.wikipedia.org/wiki/History_of_psychology

The four temperament theory is one of the pre-scientific theories about human behaviors that has stood the test of time both in acceptance and application. This theory describes that all humans can be categorized into one of four primary temperaments based on the individual’s predominant behavior and response to their surroundings.

Whether you are here for academic purposes or you are here to seek insights into human behaviors to better understand yourself and how you relate with other people, this article explores the four primary temperaments in the four temperament theory, their origin, strengths, and weaknesses.

Origins of the Four Temperament Theory

The four temperament theory can be traced to the ancient theory of the four elements (earth, water, air, and fire) first proposed by Empedocles in the mid-5th century BCE. This macrocosmic theory describes the four elements using four qualities (dry, wet, cold, and hot), and while this theory was not exactly about the four temperaments, it became a strong philosophical basis for later theories leading up to the four temperament theories.^[2]Heineman, P. L. (n.d.). History of temperament and temperament theory. Personality Project. Retrieved September 18, 2025, from https://personality-project.org/others/heineman/HISTORY.HTM

Fifth century (BC) Greek hylozoists like Anaxagoras, Democritus, Alcmeon, etc, sought to attribute the cause of illness to material causes, matter, and humor. Anaxagoras laid the foundation by suggesting that health and disease were due to the mixture or imbalance of certain fundamental substances. Democritus argued that disease was the result of disturbances in the arrangement of atoms within the body, while Alcmeon (sometimes called the father of Greek medicine before Hippocrates) proposed that health is a balance of opposites (hot vs cold, wet vs dry), and disease is caused by an imbalance. These laid the foundation for the humoral theory by Polybos later in the 4th century BC.

The humoral theory was, thus, the third in the dialectic ascension of theories from the Empedoclian theory of the elements. This theory is ascribed to Polybos, son-in-law to Hippocrates, and associated with the school of Cos. Polybos, in the humoral theory, states that there are four body humors (blood, phlegm, yellow bile, and black bile), and that their proper mixture and proportion reflect the body’s condition of health.^[3]Ibid. Heineman

The Humoral Theory

Polybos proposed that a health condition is a result of balanced proportions of each of the four humors (blood, phlegm, yellow bile, and black bile). By implication, discomfort and pain result from either a deficiency or excess of any one or combination of these bodily fluids. Each humor or fluid is characterized by its color, evident tactile differences, degree of warmth or cold, and differences in dryness and moisture.

Blood was described as hot and moist, primarily originating from the liver. Phlegm, whose main organ is the lungs, was described as cold and moist. Yellow bile, originating from the spleen, is hot and dry, while black bile, from the gall bladder, is described as cold and dry.^[4]Paei.wikidot.com. Hippocrates & Galen: The four humors. Retrieved September 25, 2025, from http://paei.wikidot.com/hippocrates-galen-the-four-humors

While the humoral theory was originally used to describe the inherent cause of health and disease, Hippocrates, in “The Nature of Man (Peri physios anthropou)”, unified and expanded these ideas into a practical system of diagnosis and treatment of diseases in the medieval era, a system which became pivotal in the development of modern medicine as it is today. The implication of this is that practical treatment of diseases involves modifying diet, environment, and lifestyle, which in turn affects the dryness/moistness and temperature (hotness or coldness) of the body humor to restore balance and health.

The Four Temperament Theory

In addition to health and disease, Hippocrates also extended the four humors theory in the description of people’s predominant temperament at any point in health and disease. He noticed that when one humor was in excess, not only does this cause physical illness, but it also affects a person’s disposition and mood/temperament.

Hippocrates explained that excess blood made people more lively, warm, and energetic; excess phlegm made people more sluggish and calm; excess yellow bile made people more excitable or aggressive; while excess black bile made people more despondent or melancholic, thus explaining that personality wasn’t a separate psychological system but rather an extension of medical imbalance.

The Greek physician, Galen (130-200A.D.), a student of Hippocrates, further formalized and popularized the four temperament theory in his treatise, Pericraison, de temperamentis, by explaining that there could be four kinds of healthy equilibrium after the prevalent humor, not one normal personality and four ‘excess’ disease states as Hippocrates described.

Thus, all men could be subdivided into four psychological groups, personality, or what is hereby referred to as temperaments, based on their prevalent humor.

• The sanguine => the buoyant type
• The phlegmatic => the sluggish type
• The choleric => the quick-tempered type, and
• The melancholic => the dejected type.

Galen’s treatise on the four temperament theory was so well formulated that it remained the standard authority in medicine until the 16th century, when several physicians like Andreas Vesalius, and later, William Harvey, through their medical discoveries, shifted the application of Galen’s ideas towards a more mechanistic approach involving blood, circulation, anatomy, and physiology.

The Four Temperaments

Derived from the four humors, four primary temperaments exist according to the four temperament theory. These are sanguine, choleric, melancholic, and phlegmatic. These primary temperaments are personality types that reflect a predominance of one temperament over another. They also represent varying combinations of four qualities–hot, cold, dry, and moist.

1. Sanguine

The sanguine temperament is derived from the humor, blood. It corresponds with the Empedoclean element of ‘air’ and its qualities are described as hot and moist. According to Galen’s classification, sanguine is characterized by amorous, happy, generous, carefree, and optimistic personality traits.

Sanguines are naturally people-oriented; that is, they draw energy from being around people. They thrive in groups of supportive friends, love conversations, and build relationships quickly.

The sanguine is by far the most versatile and extroverted of the four temperaments, and they like to participate in or change their environment, making them some of the strongest change agents and influences in their environment. They are fun-loving, playful, activity-prone, impulsive, entertaining, persuasive, easily amused, and optimistic. They could be described as enthusiastic and expressive, often expressing themselves openly in an exciting manner, making them easily acceptable, approachable, and trusted by others.

Sanguines are word smiths. They will smile and talk easily without any pressure about what to say. Even when they enter the conversation mid-way, they soon take over the trajectory of the conversation going forward. This is because of how they express enthusiasm in what they say.

When telling a story, a sanguine person often exaggerates what happened or leaves out important details to make the story more exciting. To them, the facts do not matter much unless they make the moment more exciting.

Sanguines fear rejection or not being able to make an impression, and enjoy dressing according to current trends to feel among. They also fear being viewed as unsuccessful and would do what they can to stay in the limelight.

Sanguines are highly emotionally labile, demonstrating the widest range of emotions within the shortest possible time. They have quick highs and quick lows–can be bubbling with laughter one moment and then frustrated or discouraged the next, but they usually bounce back just as quickly. If something new catches their attention, their mood can change instantly, especially if it involves being around people. Thus, they tend to be disorganized and easily forget where they left something.

Sanguines get so involved in conversations that they easily forget about time and are often late for meetings and destinations. They are easily bored when in an activity that does not involve much social interaction, often disliking solitude. And when in such an event or activity, their focus, attention, or interest can change the very instant they become bored.

Sanguines are also very competitive, often because of their natural desire to be active, involved with people, and be in the limelight. They like sports of any kind, but they may choose their sports carefully, often preferring those that put them in an active position in the group.

Strengths of the Sanguine

1. People-oriented → warm, friendly, and easily connects with others.
2. Charismatic & persuasive → natural charm, makes people feel valued.
3. Optimistic & positive → sees the bright side, encourages others.
4. Fun-loving & entertaining → life of the party, brings joy to groups.
5. Expressive & enthusiastic → animated communication, inspiring energy.
6. Adaptable & versatile → can fit into many roles and situations.
7. Storytelling ability → engaging, humorous, and creative.
8. Forgiving & quick to forget → doesn’t hold grudges, moves on easily.
9. Encouraging & motivating → uplifts others, spreads good morale.

Weaknesses of the Sanguine

1. Emotionally labile → mood swings, easily distracted by feelings.
2. Disorganized → forgetful, messy, poor with details and follow-through.
3. Impulsive → acts before thinking, easily sidetracked.
4. Exaggerates → may distort facts in storytelling for effect.
5. Attention-seeking → craves approval and affirmation constantly.
6. Easily bored → struggles with routines or long-term focus.
7. Lack of depth → emotions are real but often shallow or short-lived.
8. Poor time management → often late, loses track of commitments.
9. Can be unreliable → starts things enthusiastically but doesn’t always finish.

2. Choleric

Choleric temperament is derived from yellow bile and represents the element of ‘fire’. Its qualities are described as hot and dry, with violent, vengeful, volatile, and ambitious personality traits. Individuals who have this primary temperament express behaviors in keeping with these traits.

The choleric is the least occurring of the four temperaments, and a female choleric is extremely rare. Cholerics are naturally result-oriented and play an active role in causing change even in an antagonistic environment. In other words, they seek to influence their environment and overcome opposition to get results.

You could describe a choleric as extroverted, fast-thinking and proactive, strong-willed, and easily annoyed. They are also practical, direct, straight to the point, and firm when communicating with others.

Cholerics find it easy to make group decisions and see the plan ahead of those around them, but they may be strongly opinionated and may leave little or no room for negotiation.

Cholerics like pressure and are well-adapted to work under pressure, primarily because they don’t see opposition when they want to achieve anything. By being result-oriented, they are easily bored when things are not happening fast enough.

Due to their desire to cause positive change in their environment, cholerics seek to be in control; they are domineering, self-sufficient, self-confident, and highly independent, making them great leaders. But when they seek control, it’s often not because they want to dominate or enslave others, but rather because they know their own ability to lead and cause change.

Cholerics are visionaries and seem to never run out of ideas, plans, and goals. Even when they feel stuck, they are always looking for a way to regain themselves. They do not see themselves as requiring much sleep like other people, and when they rest, it is because they want to regain energy for the next course of activity.

Cholerics usually do not care so much about what others think. They are only interested in achieving their goals, and they think big, too. They can be crusaders against social injustice or any cause that involves challenging the status quo.

They are slow to build relationships and tend to have only a few close friends. This is because they consider results to be more important than numerous acquaintances. They do not easily empathize with the feelings of others or show compassion.

Cholerics tend not to be angry, although their assertiveness and strong determination to get results may be interpreted as anger. They can be quickly aroused but also quickly calmed.

Strengths of the Choleric

1. Natural leader → decisive, confident, and assertive.
2. Goal-oriented → thrives on achievement and getting results.
3. Efficient & practical → focuses on solutions, cuts out distractions.
4. Strong-willed → determined, persistent, and doesn’t give up easily.
5. Independent → self-sufficient, doesn’t need much external validation.
6. Courageous → willing to take risks, confront challenges head-on.
7. Organized & structured → good at planning, delegating, and directing.
8. Persuasive → can influence others with authority and confidence.
9. Productive → high energy for work and projects.
10. Competitive → driven to win and excel.
11. Resilient → can perform under pressure.

Weaknesses of the Choleric

1. Domineering → can be bossy, controlling, and unwilling to listen.
2. Insensitive → struggles with empathy and compassion for others’ feelings.
3. Quick-tempered → prone to anger, impatience, and irritability.
4. Stubborn → resists change or admitting they’re wrong.
5. Impatient → wants instant results, dislikes delays or inefficiency.
6. Workaholic tendencies → can over-prioritize tasks over relationships.
7. Argumentative → enjoys debates, may come across as aggressive.
8. Prideful → confident to the point of arrogance or dismissiveness.
9. Poor listener → more interested in giving orders than hearing others.
10. Can intimidate others → their intensity may push people away.

3. Melancholic

The melancholic temperament is derived from the black bile humor and represents the element of ‘earth’. Its personality traits are described as cold and dry–introspective, sentimental, and apathetic.

The melancholics are conscientious and perfectionistic, always wanting to do things right or in a certain way. They are quality– or detail-oriented, which means they just want to achieve a certain quality or level of perfection that others may see as unnecessary. They can also be sensitive to what others think of their work.

Melancholics are introverted (the most introverted of the four temperaments), logical, and analytical in their communication, looking for facts rather than sentiments. When they argue, it is not because they want to make you feel bad or assert dominance, but because they find it hard to take in just any information.

They hold grudges for a long time because they believe that those who hurt them are not likely to repent or change from hurting them again or meet their standards.

Melancholics are also stubborn and dogmatic to new behavioral trends, often holding firm to their carefully thought-out views rather than going with the flow. They influence their immediate environment by adhering to the existing rules and doing things right according to pre-existing standards.

They are determined to make the right and best decision, so they will take time to collect lots of information, ask specific questions, and sometimes ask the same question several times for the sake of clarity. After spending a lot of time thinking about their available options, they may still be unsure if that is the right and best decision.

Melancholics respond to situations in a slow, cautious, and indirect manner. They are reserved and suspicious until they are sure of your intentions. They try to probe for the hidden meaning behind your words and actions, making them appear timid, unsure, and too serious.

Melancholics are very pessimistic, assuming the worst from the onset. They have anxiety about the present and the future, with tendencies to have guilt feelings without easily realizing that guilt or worry will not change the past or the future.

Melancholics are highly organized. They like to keep things in perfect conditions, but when they keep things cluttered, they will know what is in the piles. They are gifted and creative, but they can be moody, reserved, and isolated, and this is usually related to their fear of negative evaluation from other people.

Strengths of the Melancholic

1. Deep thinker → analytical, reflective, and detail-oriented.
2. Serious and purposeful → takes life and responsibilities seriously.
3. Perfectionist → strives for accuracy, quality, and excellence.
4. Organized and structured → likes order, planning, and precision.
5. Conscientious → reliable, thorough, and careful.
6. Loyal and faithful → strong commitment to relationships and duties.
7. Compassionate and empathetic → sensitive to others’ pain and needs.
8. Creative and artistic → often gifted in music, art, and writing.
9. Self-disciplined → can stick to tasks and complete them with focus.
10. Principled → guided by strong values and integrity.

Weaknesses of the Melancholic

1. Overly critical → hard on themselves and others.
2. Perfectionism → sets unrealistically high standards, easily discouraged.
3. Pessimistic → tends to see problems or expect the worst.
4. Introverted and withdrawn → may isolate themselves when hurt or stressed.
5. Sensitive to criticism → easily wounded by harsh words or rejection.
6. Indecisive → struggles to make decisions for fear of making mistakes.
7. Moody → prone to sadness, worry, and depression.
8. Overly cautious → hesitant to take risks or try new things.
9. Stubborn in ideals → may hold tightly to views or standards.
10. Prone to guilt and self-blame → struggles with letting go of failures.

4. Phlegmatic

The phlegmatic temperament is derived from phlegm, representing the element of ‘water’. Its qualities are hot and moist, and primarily phlegmatic people have the personality traits of being amorous, happy, generous, carefree, and optimistic.

Phlegmatics are naturally service-oriented, that is quietly contributing and influencing their environment through cooperation rather than through leadership or emotional display.

Phlegmatics can be described as calm and introverted, preferring to live a quiet and routine, private, and low-key lifestyle centred around home and family, rather than getting too involved in dynamic/spontaneous activities or with too many different people. If they want to hang out with friends, they enjoy the company of a few selected friends.

They display possessiveness in their friendships and material things. They are loyal to their few friends and find it difficult to break long-standing relationships regardless of what the other person does or doesn’t do. However, once a relationship is broken, they seldom return.

Phlegmatics tend not to be highly ambitious. They seldom exert themselves or push their way along in their career or profession, and they prefer just to let things happen in their own accord. They are passive in both favorable and unfavorable conditions, and tend to lack a sense of urgency in their activities.

Phlegmatics are often indecisive, patient, and agreeable, making them good team players. They readily submit to the choices of other people in making their decisions. They are naturally unable to imagine themselves assuming a leadership role and would prefer to work as a follower, as long as you don’t try to alter their routine lifestyle.

They are not so concerned with perfectionism, they are not picky, and they do not judge others quickly. Their cool-headed and submissive nature makes them yield to people’s insistence rather than try to assert themselves. They wish for peace and would do anything to avoid conflict, even if it means to their discomfort.

Phlegmatics are often opposed to change. They might take time to adjust when they encounter a sudden change in their routine. They also resist making rash decisions. They are practical, concrete, and traditional thinkers.

They hold a grudge because they are inwardly sensitive. Even though they don’t explode, the offense can linger in their mind. And because they appear calm, others may assume Phlegmatics forgive easily, but in reality, true forgiveness may take them a long time.

Strengths of the Phlegmatic

1. Calm and peaceful → they remain steady under pressure and rarely lose their cool.
2. Diplomatic and peacemaking → naturally able to mediate conflicts and bring harmony.
3. Dependable and consistent → others can rely on them to show up and follow through.
4. Patient and tolerant → willing to wait and give people time without getting frustrated.
5. Loyal and steady in relationships → once they commit, they stick around.
6. Good listeners → they take time to hear others out and don’t rush to respond.
7. Easy-going and agreeable → flexible and not easily upset by inconveniences.
8. Service-oriented → often willing to help and support others without demanding attention.

Weaknesses of the Phlegmatic

1. Avoids confrontation → may suppress issues instead of addressing them, leading to hidden resentment.
2. Indecisive or hesitant → struggles with taking initiative or making quick choices.
3. Resistant to change → prefers routines and can be slow to adapt to new situations.
4. Procrastinates → tends to delay action until pushed.
5. Unassertive → may let others dominate them or fail to express their true feelings.
6. Can hold grudges quietly → appears forgiving but may carry resentment internally.
7. Passive-aggressive tendencies → instead of saying “no,” they may agree outwardly but resist subtly.
8. Lacks ambition or drive → content with stability, which can sometimes look like laziness.

Modern Views of the Temperament Theory

Several modifications of the four temperament theory have existed over time, including the following:

Modification based on intensity level

In this modification, there are at least three levels of intensity of any of the four primary temperaments–mild, moderate, and classical/strong. This sub-classification is based on the degree of classical traits of the primary temperament in the individual.

For example, a person could be a mild Sanguine (outgoing but not overly talkative) or a strong Choleric (highly dominant and assertive).

Blended Temperaments

This model proposes that most people are not 100% one temperament. That is, there is a blend between a temperament and a secondary temperament. For example, Sanguine-Choleric, Melancholic-Phlegmatic, where the first is the primary temperament and the second is the secondary temperament.

This concept of blended temperament makes the four temperament theory more flexible and realistic, since pure temperaments are rare.

Temperaments with Secondary Influences

Another modern view about the four temperaments posits that while we may have a predominant primary temperament, secondary influences like environment, culture, faith, and experience can shape how it expresses. For example, a naturally Choleric child raised in a gentle, non-confrontational family may learn to soften their approach.

This model is also more realistic and flexible since it acknowledges that most people do not have a pure primary temperament.

Link with Modern Personality Theories

Two modern personality models that may have been adapted from the four temperament theory include the Myers-Briggs (MBTI) and the Big Five Traits. The MBTI classifies people into 16 personality types, totally absorbing the five temperament traits into several domains. Examples of the personality types in the MBTI classification include ENTJ, ESTJ, ENFP, and ESFP, and a choleric may fit into ENTJ/ESTJ, while a Sanguine may fall within ENFP/ESFP.

In the Big Five Traits classification, five traits are used to define each of the primary temperaments. These traits are Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism (often remembered by the acronym OCEAN), and the four primary temperaments are defined as follows:

• Sanguine → High Extraversion, Low Neuroticism.
• Choleric → High Extraversion, High Assertiveness.
• Melancholic → High Neuroticism, High Conscientiousness.
• Phlegmatic → High Agreeableness, Low Neuroticism.

Christian/Spiritual Modifications

The Christian/Spiritual modifications of the primary temperaments, proposed by Tim LaHaye,Florence Littauer, etc, reframed the temperaments not as destiny, but as a tool for self-improvement.^[5]DhaivatPatel. Five Temperaments [PDF]. Scribd. Retrieved September 28, 2025, from https://www.scribd.com/document/94963949/Five-Temperament. Thus, by understanding one’s inherent temperamental weaknesses, one can train or refine them while building strength concomitantly. This emphasizes that temperaments can be influenced by spiritual growth.

The Ultimate Temperament

In line with the Christian Modification of the four temperaments, I coined a fifth temperament known as the Ultimate Temperament, which is a blend of all four temperaments. This new temperament is a dynamic temperament focusing on constant self-improvement to suppress weaknesses, build strength, and covet strengths from the other primary temperaments.

While literature already talks about the Supine temperament in the five temperament theory, I describe the Ultimate Temperament as a conscious blend of as many strengths as possible, while down-tuning the weaknesses in one’s primary temperament. This, I call the Ultimate Temperament.

Final Words

This article explores all you need to know about the four temperaments, their modifications, and my proposed Ultimate Temperament. Understanding the temperaments and how they play out in our lives and behaviors can give us insights into why people behave the way they do.

If you also want to download the highlights of the four temperaments as a PDF, here is a link to do so now. If you found this article interesting and insightful, kindly let me know your thoughts in the comment section.