defense mechanism

noun
Updated on: 15 May 2018

Definition of defense mechanism

1 : an often unconscious mental process (such as repression) that makes possible compromise solutions to personal problems
2 : a defensive reaction by an organism

Examples of defense mechanism in a Sentence

  1. She is projecting her anger on you as a defense mechanism.

  2. the cell's normal defense mechanisms against infection

Recent Examples of defense mechanism from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'defense mechanism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of defense mechanism

1909

in the meaning defined at sense 1

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DEFENSE MECHANISM Defined for English Language Learners

defense mechanism

Definition of defense mechanism for English Language Learners

  • : a process in the brain that makes you forget or ignore painful or disturbing thoughts, situations, etc.

  • : a reaction in your body that protects against disease or danger


Medical Dictionary

defense mechanism

noun

medical Definition of defense mechanism

1 : an often unconscious mental process (as repression, projection, or sublimation) that makes possible compromise solutions to personal problems
2 : a defensive reaction by an organism

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