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self-defense

[ self-di-fens, self- ]
/ ˈsɛlf dɪˈfɛns, ˌsɛlf- /
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See synonyms for: self-defense / self-defenses on Thesaurus.com

noun
the act of defending one's person when physically attacked, as by countering blows or overcoming an assailant: the art of self-defense.
a claim or plea that the use of force or injuring or killing another was necessary in defending one's own person from physical attack: He shot the man who was trying to stab him and pleaded self-defense at the murder trial.
an act or instance of defending or protecting one's own interests, property, ideas, etc., as by argument or strategy.
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Also British, self-de·fence .

Origin of self-defense

First recorded in 1645–55

OTHER WORDS FROM self-defense

self-de·fen·sive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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