sister-in-law

noun

sis·​ter-in-law ˈsi-st(ə-)rən-ˌlȯ How to pronounce sister-in-law (audio)
-tərn-ˌlȯ
plural sisters-in-law ˈsi-stər-zən-ˌlȯ How to pronounce sister-in-law (audio)
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
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.
Kylie and Jason also previously attended two of Swift’s Eras Tour shows at London’s Wembley Stadium in June, with Travis making his surprise Eras Tour debut at the third show where his brother and sister-in-law were not present. Escher Walcott, People.com, 23 Nov. 2024 The 64-year-widow and optometrist applied for the show after her sister-in-law told her about it. Meredith Blake, Los Angeles Times, 21 Nov. 2024 Kathy Eppler had waited seven years to see the man who murdered her two brothers and sister-in-law be punished for his crimes. N'dea Yancey-Bragg, USA TODAY, 18 Nov. 2024 Season one introduced David Mitchell's John, a puzzle setter who found a knack for crime solving while impersonating his missing police detective brother James, and his sister-in-law Lucy, played by Anna Maxwell Martin. Tess Foley-Cox, theweek, 14 Nov. 2024 See all Example Sentences for sister-in-law 

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of sister-in-law was in the 15th century

Dictionary Entries Near 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 Dec. 2024.

Kids Definition

sister-in-law

noun
sis·​ter-in-law
ˈsis-t(ə-)rən-ˌlȯ,
-tərn-ˌlȯ
plural sisters-in-law
-tər-zən-
1
: the sister of one's spouse
2
a
: the wife of one's sibling
b
: the wife of one's spouse's sibling

More from Merriam-Webster on sister-in-law

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