fact of life

noun phrase

Definition of fact of life

1 : something that exists and must be taken into consideration
2 facts of life plural : the fundamental physiological processes and behavior involved in sex and reproduction

First Known Use of fact of life

circa 1806, in the meaning defined at sense 1

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The first known use of fact of life was circa 1806

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Cite this Entry

“Fact of life.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fact%20of%20life. Accessed 28 Feb. 2020.

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fact of life


English Language Learners Definition of fact of life

: something that exists and that cannot be changed or ignored
: the facts about sex that are told to children

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