father-in-law

noun
\ ˈfä-t͟hə-rən-ˌlȯ How to pronounce father-in-law (audio) , -t͟hərn-ˌlȯ \
plural fathers-in-law\ ˈfä-​t͟hər-​zən-​ˌlȯ How to pronounce father-in-law (audio) \

Definition of father-in-law

1 : the father of one's spouse
2 archaic : stepfather

First Known Use of father-in-law

14th century, in the meaning defined at sense 1

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The first known use of father-in-law was in the 14th century

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Cite this Entry

“Father-in-law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/father-in-law. Accessed 23 Jun. 2021.

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More Definitions for father-in-law

father-in-law

noun

English Language Learners Definition of father-in-law

: the father of your husband or wife

father-in-law

noun
fa·​ther-in-law | \ ˈfä-t͟hər-ən-ˌlȯ \
plural fathers-in-law

Kids Definition of father-in-law

: the father of a person's husband or wife

More from Merriam-Webster on father-in-law

Nglish: Translation of father-in-law for Spanish Speakers

Britannica English: Translation of father-in-law for Arabic Speakers

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