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
One person who’s not giving up that information is Kylie Kelce, the Kansas City Chiefs tight end’s sister-in-law, who was questioned about the date of the big day in a recent interview.
—
Hannah Dailey, Billboard, 30 Jan. 2026
In between performing the first successful uterine transplant and training a new class of residents at what’s now called Grey Sloan Memorial Hospital, Addison reconnected with her old colleagues, including her former sister-in-law, Amelia Shepherd (Caterina Scorsone).
—Max Gao, Variety, 30 Jan. 2026
His health declined without his father’s care Shahd Arnaout, Wael’s sister-in-law, told CNN the family struggled to care for Wael with his father in ICE custody.
—Nicquel Terry Ellis, CNN Money, 29 Jan. 2026
My sister-in-law, her mother, never remarried, worked three jobs and took care of her mother.
—Hope Hunt, Baltimore Sun, 26 Jan. 2026
See All Example Sentences for sister-in-law
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Hannah Dailey, Billboard, 30 Jan. 2026
In between performing the first successful uterine transplant and training a new class of residents at what’s now called Grey Sloan Memorial Hospital, Addison reconnected with her old colleagues, including her former sister-in-law, Amelia Shepherd (Caterina Scorsone).
—Max Gao, Variety, 30 Jan. 2026
His health declined without his father’s care Shahd Arnaout, Wael’s sister-in-law, told CNN the family struggled to care for Wael with his father in ICE custody.
—Nicquel Terry Ellis, CNN Money, 29 Jan. 2026
My sister-in-law, her mother, never remarried, worked three jobs and took care of her mother.
—Hope Hunt, Baltimore Sun, 26 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 1 Feb. 2026.
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