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.
In addition to their role in Oppenheimer as the titular character’s sister-in-law, Dumont has also appeared in Paul Thomas Anderson’s 2021 film Licorice Pizza (as Brenda), and also previously collaborated with the director in 2014’s Inherent Vice (as Zinnia). James Factora, Them, 6 Dec. 2024 Prior to Ethel Kennedy's death in October 2024, the American icon — sister-in-law of late President John F. Kennedy and wife of the late politician Robert F. Kennedy — was a mother of 11 children: Kathleen, Joseph, Robert Jr., David, Courtney, Michael, Kerry, Christopher, Max, Douglas and Rory. Daniel R. Depetris, Newsweek, 6 Dec. 2024 By Kathleen Walsh December 5, 2024 Kylie Kelce, Taylor Swift’s boyfriend’s sister-in-law, has a request for everyone commenting that her second daughter, Elliotte, looks just like her uncle Travis Kelce. Kathleen Walsh, Glamour, 5 Dec. 2024 Hernandez had just earned a $41-million contract with the New England Patriots when he was arrested for the murder of Odin Lloyd, a semi-professional football player who was also the boyfriend of his future sister-in-law. Lily Ford, The Hollywood Reporter, 5 Dec. 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 22 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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