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
Her role as Amelia, sister to the late Derek Shepherd (Patrick Dempsey) and sister-in-law to Meredith, is marked by her ambition as a doctor, plus her recovery from drug addiction and emotional trauma.
—
Rachel Raposas, PEOPLE, 17 Oct. 2025
Survivors include his wife, Jeanette; daughter Monique; brother Charles; sister Nancy; nieces Suncere and Julie; nephews Sky and Andrew; sister-in-law Michelanne; and brother-in-law Ron.
—Ethan Millman, HollywoodReporter, 16 Oct. 2025
Scorsone remains a series regular, and Amelia, first introduced in Season 7 of Grey’s after making her debut on spinoff Private Practice, remains a fan favorite character and one deeply rooted in the show’s mythology as the sister of Derek Shepherd (Patrick Dempsey) and sister-in-law to Meredith.
—Nellie Andreeva, Deadline, 16 Oct. 2025
Owens was the best friend of Gandbhir’s sister-in-law.
—Marni Rose McFall, MSNBC Newsweek, 13 Oct. 2025
See All Example Sentences for sister-in-law
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Rachel Raposas, PEOPLE, 17 Oct. 2025
Survivors include his wife, Jeanette; daughter Monique; brother Charles; sister Nancy; nieces Suncere and Julie; nephews Sky and Andrew; sister-in-law Michelanne; and brother-in-law Ron.
—Ethan Millman, HollywoodReporter, 16 Oct. 2025
Scorsone remains a series regular, and Amelia, first introduced in Season 7 of Grey’s after making her debut on spinoff Private Practice, remains a fan favorite character and one deeply rooted in the show’s mythology as the sister of Derek Shepherd (Patrick Dempsey) and sister-in-law to Meredith.
—Nellie Andreeva, Deadline, 16 Oct. 2025
Owens was the best friend of Gandbhir’s sister-in-law.
—Marni Rose McFall, MSNBC Newsweek, 13 Oct. 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 20 Oct. 2025.
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