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
The attorney said that, per his wife’s and sister-in-law’s testimony regarding his recent behavior, Stephens was likely heavily intoxicated at the time.
—
City News Service, San Diego Union-Tribune, 29 July 2025
The save the dates went out and we were not invited along with one sister-in-law.
—R. Eric Thomas, Denver Post, 28 July 2025
Moyer’s sister-in-law and her sister-in-law’s husband disarmed Schmidt along with an unrelated witness outside the hotel and an off-duty police officer.
—Kate Perez, Chicago Tribune, 28 July 2025
The save-the-dates went out, and my husband and I were not invited, along with one sister-in-law.
—R. Eric Thomas, Mercury News, 28 July 2025
See All Example Sentences for sister-in-law
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
City News Service, San Diego Union-Tribune, 29 July 2025
The save the dates went out and we were not invited along with one sister-in-law.
—R. Eric Thomas, Denver Post, 28 July 2025
Moyer’s sister-in-law and her sister-in-law’s husband disarmed Schmidt along with an unrelated witness outside the hotel and an off-duty police officer.
—Kate Perez, Chicago Tribune, 28 July 2025
The save-the-dates went out, and my husband and I were not invited, along with one sister-in-law.
—R. Eric Thomas, Mercury News, 28 July 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 7 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share