brother-in-law
noun
broth·er-in-law
ˈbrə-t͟hər-ən-ˌlȯ 
ˈbrət͟h-rən-,
ˈbrə-t͟hərn-
plural brothers-in-law
ˈbrə-t͟hərz-ən-
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
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Later Cobb and his brother-in-law, Jack Lyon, bought out the others and turned the Idaho Statesman into a major newspaper.
—
Idaho Statesman, 16 Dec. 2025
The 22-year-old, who lives in Austin, Texas, heard about donating from her brother-in-law, who did it in college.
—Chantelle Lee, Time, 15 Dec. 2025
Schlanger's brother-in-law, Rabbi Mendel Kastel, was also at the event with his family.
—Tucker Reals, CBS News, 15 Dec. 2025
Adisa’s novel, her first, delves into her brother-in-law’s life, his death during the war, and the complex silences, questions, and wounds that have shrouded his memory.
—Literary Hub, 15 Dec. 2025
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Idaho Statesman, 16 Dec. 2025
The 22-year-old, who lives in Austin, Texas, heard about donating from her brother-in-law, who did it in college.
—Chantelle Lee, Time, 15 Dec. 2025
Schlanger's brother-in-law, Rabbi Mendel Kastel, was also at the event with his family.
—Tucker Reals, CBS News, 15 Dec. 2025
Adisa’s novel, her first, delves into her brother-in-law’s life, his death during the war, and the complex silences, questions, and wounds that have shrouded his memory.
—Literary Hub, 15 Dec. 2025
See All Example Sentences for 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 18 Dec. 2025.
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