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
Later on, during a stop, the sister-in-law brought it up again — this time more directly.
—
Ashley Vega, People.com, 7 Aug. 2025
This is honourable work for a lady-in-waiting to a queen, and the duty of a beloved sister-in-law.
—Maureen Lee Lenker, EW.com, 5 Aug. 2025
Moore's brother-in-law Griffin Goldsmith and sister-in-law Kit Goldsmith, who lived nearby, lost their home completely in the fire.
—Ashley Hume, FOXNews.com, 3 Aug. 2025
Moyer’s sister-in-law and her sister-in-law’s husband, as well as another witness and off-duty police officer, were able to disarm the father-in-law, police said.
—Angie Leventis Lourgos, Chicago Tribune, 2 Aug. 2025
See All Example Sentences for sister-in-law
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Ashley Vega, People.com, 7 Aug. 2025
This is honourable work for a lady-in-waiting to a queen, and the duty of a beloved sister-in-law.
—Maureen Lee Lenker, EW.com, 5 Aug. 2025
Moore's brother-in-law Griffin Goldsmith and sister-in-law Kit Goldsmith, who lived nearby, lost their home completely in the fire.
—Ashley Hume, FOXNews.com, 3 Aug. 2025
Moyer’s sister-in-law and her sister-in-law’s husband, as well as another witness and off-duty police officer, were able to disarm the father-in-law, police said.
—Angie Leventis Lourgos, Chicago Tribune, 2 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 21 Aug. 2025.
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