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
Griffin, who does clinical work in Long Island, New York, said his sister-in-law is in her 40s and quite wary of long COVID, the enduring, debilitating health issues that have afflicted millions of Americans who contracted the coronavirus.
—
Jorge L. Ortiz, USA Today, 5 Sep. 2025
In an interview that aired Wednesday night, Giuffre’s sister-in-law, Amanda Roberts, confirmed to MSNBC’s Jen Psaki that the two sides had resolved their differences.
—Nick Lichtenberg, Fortune, 5 Sep. 2025
Lina, however, was furious, accusing her sister-in-law of ruining the video and sabotaging her work.
—Daniella Gray, MSNBC Newsweek, 29 Aug. 2025
Jason Kelce could not be more psyched for his future sister-in-law.
—Gil Kaufman, Billboard, 27 Aug. 2025
See All Example Sentences for sister-in-law
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Jorge L. Ortiz, USA Today, 5 Sep. 2025
In an interview that aired Wednesday night, Giuffre’s sister-in-law, Amanda Roberts, confirmed to MSNBC’s Jen Psaki that the two sides had resolved their differences.
—Nick Lichtenberg, Fortune, 5 Sep. 2025
Lina, however, was furious, accusing her sister-in-law of ruining the video and sabotaging her work.
—Daniella Gray, MSNBC Newsweek, 29 Aug. 2025
Jason Kelce could not be more psyched for his future sister-in-law.
—Gil Kaufman, Billboard, 27 Aug. 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 10 Sep. 2025.
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