brother-in-law

noun

broth·​er-in-law ˈbrə-t͟hər-ən-ˌlȯ How to pronounce brother-in-law (audio)
ˈbrət͟h-rən-,
ˈbrə-t͟hərn-
plural brothers-in-law ˈbrə-t͟hərz-ən- How to pronounce brother-in-law (audio)
1
: the brother of one's spouse
2
a
: the husband of one's sibling
b
: the husband of one's spouse's sibling

Examples of brother-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 blanket pardons were granted to his brother, James Biden; his sister-in-law, Sara Jones Biden; his sister, Valerie Biden Owens; his brother-in-law, John T. Owens; and his youngest brother, Francis Biden. Alexis Simendinger, The Hill, 21 Jan. 2025 The founder said potential investors have been knocking at his door, but none of them are related to Trump or to his brother-in-law Jared Kushner. Rosemary Feitelberg, WWD, 20 Jan. 2025 But Barron's brother-in-law Jared Kushner has ties to NYU. Natalie Neysa Alund, USA TODAY, 19 Jan. 2025 Those who stick around through the movie's end credits will notice a tribute to Chandler Tuck, the screenwriter's late brother and Whannell's late brother-in-law. Nick Romano, EW.com, 17 Jan. 2025 See all Example Sentences for brother-in-law 

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of brother-in-law was in the 14th century

Dictionary Entries Near brother-in-law

Cite this Entry

“Brother-in-law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brother-in-law. Accessed 31 Jan. 2025.

Kids Definition

brother-in-law

noun
broth·​er-in-law
ˈbrət͟h-(ə-)rən-ˌlȯ,
ˈbrət͟h-ərn-ˌlȯ
plural brothers-in-law
ˈbrət͟h-ər-zən-
1
: the brother of one's spouse
2
: the husband of one's sibling or of one's spouse's sibling

More from Merriam-Webster on brother-in-law

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