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self-defence

British  

noun

  1. the act of defending oneself, one's actions, ideas, etc

  2. boxing as a means of defending the person (esp in the phrase noble art of self-defence )

  3. law the right to defend one's person, family, or property against attack or threat of attack by the use of no more force than is reasonable

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • self-defensive adjective

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Under the deal, Israel retains its "right to take all necessary measures in self-defence, at any time, against planned, imminent, or ongoing attacks".

From BBC • Apr. 26, 2026

Williams' account of "self-defence" simply couldn't be true.

From BBC • Feb. 28, 2026

He argued that while Duterte used "bluster and hyperbole" in his speeches, he also frequently ordered authorities only to shoot in self-defence.

From Barron's • Feb. 24, 2026

Hehir, who left the bus to chase the thief, has previously explained that he struck him in an act of self-defence after the thief tried to hit him.

From BBC • Feb. 3, 2026

Take from virtue the right of self-defence and vice becomes the master of the world.

From The Works of Robert G. Ingersoll, Vol. 6 (of 12) Dresden Edition?Discussions by Ingersoll, Robert Green