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

Examples of father-in-law in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The former government advisor to father-in-law Donald Trump accessorized with sunglasses and a New York Yankees ball cap. Lauryn Overhultz , Brie Stimson, FOXNews.com, 25 June 2025 The man's father-in-law had taken to the platform on June 14 under u/shaneblaster with an image of what had happened to the dessert. Melissa Fleur Afshar, MSNBC Newsweek, 20 June 2025 In early April, the Trump administration finally tapped a senior adviser for Africa: Massad Boulos, the father-in-law of Trump’s daughter Tiffany and a businessman with experience in Nigeria. Joshua Z. Walker, Foreign Affairs, 17 June 2025 However, the funeral for her father-in-law brought the bad feelings to the surface and her husband told everyone off. Stephanie Guerilus, People.com, 15 June 2025 See All Example Sentences for father-in-law

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
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 6 Jul. 2025.

Kids Definition

father-in-law

noun
fa·​ther-in-law
ˈfät͟h-(ə-)rən-ˌlȯ,
ˈfȧt͟h-,
-ərn-ˌlȯ
plural fathers-in-law
ˈfät͟h-ər-zən-,
ˈfȧt͟h-
: the father of one's husband or wife

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