all's fair in love and war

idiom

Definition of all's fair in love and war

used to describe a situation in which people do not follow the usual rules of behavior and do things that are normally considered unfair Sure, it was underhanded to steal his customers, but all's fair in love and war.

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“All's fair in love and war.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all%27s%20fair%20in%20love%20and%20war. Accessed 26 Feb. 2021.

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