sister-in-law
noun
sis·ter-in-law
ˈsi-st(ə-)rən-ˌlȯ 
-tərn-ˌlȯ
plural sisters-in-law
ˈsi-stər-zən-ˌlȯ
1
: the sister of one's spouse
2
a
: the wife of one's sibling
b
: the wife of one's spouse's sibling
Examples of sister-in-law in a Sentence
Recent Examples on the Web
Mu-jin gets some office help from his sister-in-law Hee-joo, played by Seol In-A (Business Proposal, Celebrity, Twinkling Watermelon).
—
Joan MacDonald, Forbes.com, 31 May 2025
Meghan also shares the hobby with her sister-in-law Kate Middleton, who posted a beekeeping video on her own Instagram account this month to mark World Bee Day.
—Jillian Frankel, People.com, 27 May 2025
Page Six reports that Turner and former sister-in-law Priyanka Chopra have unfollowed each other on Instagram.
—Glamour, 24 May 2025
Photographed by Denise Stephanie Photographed by Denise Stephanie The entire process can take between five to seven hours and is done with only close family members in attendance—her mother, sisters, and sisters-in-law—with the official party the next day.
—Kiana Murden, Vogue, 22 May 2025
See All Example Sentences for sister-in-law
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Joan MacDonald, Forbes.com, 31 May 2025
Meghan also shares the hobby with her sister-in-law Kate Middleton, who posted a beekeeping video on her own Instagram account this month to mark World Bee Day.
—Jillian Frankel, People.com, 27 May 2025
Page Six reports that Turner and former sister-in-law Priyanka Chopra have unfollowed each other on Instagram.
—Glamour, 24 May 2025
Photographed by Denise Stephanie Photographed by Denise Stephanie The entire process can take between five to seven hours and is done with only close family members in attendance—her mother, sisters, and sisters-in-law—with the official party the next day.
—Kiana Murden, Vogue, 22 May 2025
See All Example Sentences for sister-in-law
Cite this Entry
“Sister-in-law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sister-in-law. Accessed 8 Jun. 2025.
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