Dictionary

defense mechanism

noun

: 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

Full Definition of DEFENSE MECHANISM

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

Examples of DEFENSE MECHANISM

  1. She is projecting her anger on you as a defense mechanism.
  2. the cell's normal defense mechanisms against infection

First Known Use of DEFENSE MECHANISM

1913

defense mechanism

noun    (Medical Dictionary)

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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