What is the difference between repression and suppression?

Suppression is conscious: you decide to set a worry aside until later. Repression is unconscious: the feeling or memory is kept out of awareness without your choosing. Suppression counts as a mature defense; repression does not.

Can repressed emotions cause physical symptoms?

Many people notice tension, fatigue or headaches alongside feelings they don’t express, and research links habitual emotional suppression to stress responses. Physical symptoms have many causes, though, so see a doctor rather than assuming an emotional one.

Are repressed memories real?

Everyday repression of feelings is widely accepted. Whether traumatic memories can be fully blocked and later recovered intact is disputed among researchers, and recovered memories can be shaped by suggestion.

Level · Mental inhibitions

Repression: the defense mechanism, with examples

Repression is a defense mechanism in which distressing thoughts, memories or impulses are kept out of conscious awareness. Unlike deliberately pushing a thought away, it happens without your choosing. The material doesn’t disappear. It tends to return indirectly, in moods, dreams, tension or reactions that seem out of proportion.

What it protects you from

Feelings or memories that would be overwhelming, or that you learned were forbidden to feel.

Examples of Repression

Anger

You were raised to be nice and can’t remember the last time you felt angry, but you get headaches after every family visit.

Grief

You cried at the funeral and never since. Years later, a song in a shop brings sudden tears.

Desire

You don’t think of yourself as ambitious, yet you go strangely flat whenever a friend gets promoted.

Childhood

A difficult year is mostly a blur, while the rest of your childhood is vivid.

Repression, step by step

One moment, traced link by link. The defense is the step that keeps the rest out of view.

The moment

A colleague takes credit for your idea in a meeting.

01 · AttentionYour idea, in their voice.
02 · InterpretationIt doesn’t matter. The team got the result.
03 · EmotionNothing you can name. Later, a heavy tiredness.
04 · BodyA headache by the afternoon, a stiff neck.
05 · DefenseRepression: the anger never reaches awareness.
06 · Root beliefBeing angry makes me unlovable.
07 · ActionYou say nothing and stay late to finish their slides.

How it feels in the body

Because repressed feelings don’t reach awareness, the body is often where they show first: chronic tension, headaches, fatigue, a flinch at certain words. These signals have many possible causes, so treat them as clues worth looking into, never as proof of something hidden.

The beliefs it often protects

Anger makes me a bad person.
If I let myself feel it, I’ll be overwhelmed.
Good people don’t want things for themselves.

How it differs

Denial: In denial you are aware of the fact and refuse its meaning. In repression the thought or feeling itself doesn’t reach awareness.
Sublimation: Sublimation channels an unacceptable impulse into a valued activity, so its energy gets used. Repression keeps the impulse locked away, so the energy leaks out indirectly.

Mature or immature?

Level · Mental inhibitions

Keep a threatening feeling or idea out of awareness while you keep functioning.

The DSM-IV Defensive Functioning Scale places repression at the mental-inhibitions level: defenses that keep threatening ideas or feelings out of awareness while letting you function. The idea of recovering repressed memories of trauma is scientifically contested. The everyday kind, not feeling an emotion that is plainly present, is far less controversial.

Questions to notice it in yourself

Not a test. Answer for one specific moment, not for your life in general.

Which emotion do I almost never feel?
When do I get unexplained headaches, tiredness or tension?
Which of my reactions surprise other people more than they surprise me?
What was I not allowed to feel growing up?

Common questions

What is the difference between repression and suppression?: Suppression is conscious: you decide to set a worry aside until later. Repression is unconscious: the feeling or memory is kept out of awareness without your choosing. Suppression counts as a mature defense; repression does not.
Can repressed emotions cause physical symptoms?: Many people notice tension, fatigue or headaches alongside feelings they don’t express, and research links habitual emotional suppression to stress responses. Physical symptoms have many causes, though, so see a doctor rather than assuming an emotional one.
Are repressed memories real?: Everyday repression of feelings is widely accepted. Whether traumatic memories can be fully blocked and later recovered intact is disputed among researchers, and recovered memories can be shaped by suggestion.

Related defense mechanisms

Disavowal

DenialDenial is a defense mechanism in which you refuse to acknowledge a fact or feeling that is too painful to take in, even when the evidence is plain.

Mental inhibitions

DisplacementDisplacement is a defense mechanism in which you redirect a feeling, usually anger, from the person or situation that caused it to a safer target.

High adaptive

SublimationSublimation is a defense mechanism in which an impulse that would be unacceptable in raw form, such as aggression or frustrated desire, is channeled into something valued: work, art, sport or care for others.

Defense mechanisms

Sources

Freud, A. (1936). The Ego and the Mechanisms of Defence. London: Hogarth Press.
American Psychiatric Association (2000). Defensive Functioning Scale. In Diagnostic and Statistical Manual of Mental Disorders, 4th ed., text rev. (DSM-IV-TR), Appendix B.
Vaillant, G. E. (1992). Ego Mechanisms of Defense: A Guide for Clinicians and Researchers. Washington, DC: American Psychiatric Press.

Updated: October 9, 2026