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
Gingles also asked his friend to pass on information about his sister-in-law to keep her from getting custody of the young girl.
—
Shira Moolten, Sun Sentinel, 13 Feb. 2026
Giuffre died by suicide in 2025, but her brother and sister-in-law, who live in El Paso County, have continued to push for justice on her behalf.
—Noelle Phillips, Denver Post, 8 Feb. 2026
Ninny regales Evelyn with tales of Idgi, her sister-in-law and friend who used to run the Whistle Stop Cafe, a restaurant on the outskirts of Birmingham, Alabama, that served good coffee, better barbecue, and great gossip.
—Amanda Favazza, Southern Living, 6 Feb. 2026
His brother, sister-in-law, cousin and her husband will be bringing up the gifts at Mass, and his oldest nephew read at the vespers ceremony.
—Alexa Herrera, CBS News, 6 Feb. 2026
See All Example Sentences for sister-in-law
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Shira Moolten, Sun Sentinel, 13 Feb. 2026
Giuffre died by suicide in 2025, but her brother and sister-in-law, who live in El Paso County, have continued to push for justice on her behalf.
—Noelle Phillips, Denver Post, 8 Feb. 2026
Ninny regales Evelyn with tales of Idgi, her sister-in-law and friend who used to run the Whistle Stop Cafe, a restaurant on the outskirts of Birmingham, Alabama, that served good coffee, better barbecue, and great gossip.
—Amanda Favazza, Southern Living, 6 Feb. 2026
His brother, sister-in-law, cousin and her husband will be bringing up the gifts at Mass, and his oldest nephew read at the vespers ceremony.
—Alexa Herrera, CBS News, 6 Feb. 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 15 Feb. 2026.
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