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.
Kandee Martin's sister-in-law, Lisa Martin, told USA TODAY that her family hopes the execution will bring some closure. Amanda Lee Myers, USA TODAY, 31 Jan. 2025 Read more Map shows sanctuary cities across the US Hacks to safely remove ice from your windshield without a scraper Bride excludes sister-in-law from wedding guest list, Internet outraged The debate over shopping cart etiquette is another long-standing issue in grocery store parking lots. Thomas G. Moukawsher, Newsweek, 30 Jan. 2025 There, Joyner-Kersee joined fellow Olympians Carl Lewis, Janet Evans and her late sister-in-law, Florence Griffith-Joyner—fittingly on the parade’s Marvel Float, in honor of their Olympic achievements. Kizzy Cox, Essence, 29 Jan. 2025 Now the two are living a peaceful life in the Jackson, Wyo., commune run by his brother, Tommy (Gabriel Luna), and his sister-in-law, Maria (Rutina Wesley). Nick Romano, EW.com, 28 Jan. 2025 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 5 Feb. 2025.

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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