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
Fortunately, my sister-in-law packed a Poo-Pourri toilet spray for the occasion.
—
Katie Jackson, Travel + Leisure, 9 Jan. 2026
It is speculated that Swift's bridal party will be made up of her longtime close friends, including names like Gigi Hadid, Blake Lively and the Haim sisters, as well as newer friends like Sabrina Carpenter, Brittany Mahomes and Swift's soon-to-be sister-in-law Kylie Kelce.
—Catherine Messier, The Providence Journal, 9 Jan. 2026
The receipt was discovered by newlywed Zoe Dippel during a girls’ night at her sister-in-law’s house.
—Ashley Vega, PEOPLE, 8 Jan. 2026
He was charged with the killings shortly afterward and later indicted in connection with those crimes and others, including the theft of $75,000 from his brother and sister-in-law, a copy of the indictment shows.
—Tim Stelloh, NBC news, 4 Jan. 2026
See All Example Sentences for sister-in-law
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Katie Jackson, Travel + Leisure, 9 Jan. 2026
It is speculated that Swift's bridal party will be made up of her longtime close friends, including names like Gigi Hadid, Blake Lively and the Haim sisters, as well as newer friends like Sabrina Carpenter, Brittany Mahomes and Swift's soon-to-be sister-in-law Kylie Kelce.
—Catherine Messier, The Providence Journal, 9 Jan. 2026
The receipt was discovered by newlywed Zoe Dippel during a girls’ night at her sister-in-law’s house.
—Ashley Vega, PEOPLE, 8 Jan. 2026
He was charged with the killings shortly afterward and later indicted in connection with those crimes and others, including the theft of $75,000 from his brother and sister-in-law, a copy of the indictment shows.
—Tim Stelloh, NBC news, 4 Jan. 2026
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 13 Jan. 2026.
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