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
Meghan’s sister-in-law Kate Middleton is also known to be a fan of Zara and has worn the brand on numerous occasions.
—
Rachel Burchfield, InStyle, 26 Feb. 2026
Giuffre's family has questioned how the government handled the Epstein files, with her sister-in-law publicly asking why Attorney General Pam Bondi — a former human trafficking prosecutor In Florida— did not pursue the investigation more aggressively.
—Zachary Bynum, CBS News, 25 Feb. 2026
The As Ever founder has worn pieces by the label, founded in 2010 by sisters-in-law Veronica Miele Beard and Veronica Swanson Beard, previously for a trip to Colombia in 2024 and at the 2025 Invictus Games in Canada.
—Julia Teti, Footwear News, 25 Feb. 2026
Susan Palos, 65, who lives in the home, was taken to Loyola University Medical Center, and Palos’ sister-in-law Maricarmen Wilkerson, a 63-year-old from Chicago, was taken to Gottlieb Memorial Hospital, according to police.
—Madeline King, Chicago Tribune, 23 Feb. 2026
See All Example Sentences for sister-in-law
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Rachel Burchfield, InStyle, 26 Feb. 2026
Giuffre's family has questioned how the government handled the Epstein files, with her sister-in-law publicly asking why Attorney General Pam Bondi — a former human trafficking prosecutor In Florida— did not pursue the investigation more aggressively.
—Zachary Bynum, CBS News, 25 Feb. 2026
The As Ever founder has worn pieces by the label, founded in 2010 by sisters-in-law Veronica Miele Beard and Veronica Swanson Beard, previously for a trip to Colombia in 2024 and at the 2025 Invictus Games in Canada.
—Julia Teti, Footwear News, 25 Feb. 2026
Susan Palos, 65, who lives in the home, was taken to Loyola University Medical Center, and Palos’ sister-in-law Maricarmen Wilkerson, a 63-year-old from Chicago, was taken to Gottlieb Memorial Hospital, according to police.
—Madeline King, Chicago Tribune, 23 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 4 Mar. 2026.
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