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
Recent Examples on the Web
The guest list has not been revealed but the groom’s parentsthe Princess Royal and Captain Mark Phillipsare expected to be in attendanceas are his sister and brother-in-lawMike and Zara Tindall.
—
Stephanie Bridger-LinningVanity Fair2 Apr. 2026
She is survived by her sistersa brother-in-lawa niece and nephewsand by her friend and writing partner Wooten.
—Pat SapersteinVariety1 Apr. 2026
Jones is survived by sisters Ellen and Laurabrother-in-law Jim McCarthyniece Margaret McCarthy and nephews Tommy McCarthyTodd Hyso and Paul Hysoalong with grand-nieces and cousins.
—Erik PedersenDeadline31 Mar. 2026
No one took better care of my mom than my sister and brother-in-law.
—Ethan Beck The Washington PostArkansas Online27 Mar. 2026
See All Example Sentences for brother-in-law
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Stephanie Bridger-LinningVanity Fair2 Apr. 2026
She is survived by her sistersa brother-in-lawa niece and nephewsand by her friend and writing partner Wooten.
—Pat SapersteinVariety1 Apr. 2026
Jones is survived by sisters Ellen and Laurabrother-in-law Jim McCarthyniece Margaret McCarthy and nephews Tommy McCarthyTodd Hyso and Paul Hysoalong with grand-nieces and cousins.
—Erik PedersenDeadline31 Mar. 2026
No one took better care of my mom than my sister and brother-in-law.
—Ethan Beck The Washington PostArkansas Online27 Mar. 2026
See All Example Sentences for brother-in-law
Cite this Entry
“Brother-in-law.” Merriam-Webster.com DictionaryMerriam-Websterhttps://www.merriam-webster.com/dictionary/brother-in-law. Accessed 15 Apr. 2026.
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