Phrase guide

defense mechanism

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A psychological strategy used unconsciously by people to cope with harmful or stressful situations.

Definition source: English Wiktionary via Wiktextract

Usage: US

Topics: human-sciences, psychology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An automatic reaction of the body against foreign antibodies.

Definition source: English Wiktionary via Wiktextract

Usage: US

Qualifier: evolutionary theory

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

(psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: defense reaction, defence mechanism, defence reaction, defense, defence

Antonyms: none provided

Broader terms: process, unconscious process, psychoanalytic process

Narrower terms: compensation, conversion, denial, displacement, idealization, idealisation, intellectualization, intellectualisation, isolation, projection, rationalization, rationalisation, reaction formation, regression, repression

History

Etymology

Calque of German Abwehrmechanismus, a concept in the Freudian model.

Across languages

Translations

14 source translations are retained for this English entry.

  • Catalan: mecanisme de defensa — psychological strategy
  • Chinese Mandarin: 自我防衛機制 /自我防卫机制 (zìwǒ fángwèi jīzhì) — psychological strategy
  • Chinese Mandarin: 心理防禦機制 /心理防御机制 (xīnlǐ fángyù jīzhì) — psychological strategy
  • Finnish: puolustusmekanismi — psychological strategy
  • French: mécanisme de défense — psychological strategy
  • German: Abwehrmechanismus — psychological strategy
  • Korean: 방어기제 (bang'eogije) — psychological strategy
  • Russian: защи́тный механи́зм (zaščítnyj mexanízm) — psychological strategy
  • Spanish: mecanismo de defensa — psychological strategy
  • Turkish: savunma mekanizması — psychological strategy
  • Chinese Mandarin: 防禦機制 /防御机制 (fángyù jīzhì) — reaction of the body
  • Finnish: puolustusmekanismi — reaction of the body
  • Russian: защи́тный механи́зм (zaščítnyj mexanízm) — reaction of the body
  • Turkish: savunma mekanizması — reaction of the body