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 Much of the coverage of the reception either focused on the pregnant duchess talking excitedly about the upcoming arrival of her son Archie, or the fact that she and Kate Middleton were seen together for the first time in months, amid reports of tensions between the two sisters-in-law. Martha Ross, The Mercury News, 16 Apr. 2024 Chartier said previously that Chatfield had a consensual affair with his sister-in-law but did not commit any crimes. Paul Egan, Detroit Free Press, 16 Apr. 2024 Her brother and his daughter managed to escape; her sister-in-law was freed in the hostage deal last November. Ruth Margalit, The New Yorker, 16 Apr. 2024 My sister-in-law lives 10 minutes away, never visits, shows no interest in our kids and doesn’t return my husband’s calls. Carolyn Hax, Washington Post, 13 Apr. 2024 Also among her survivors who work in show business: granddaughter Gia Coppola (an actress, director, screenwriter and Gian-Carlo’s daughter); actress and sister-in-law Talia Shire (the Rocky and Godfather films); and actors and nephews Nicolas Cage and Jason Schwartzman. Mike Barnes, The Hollywood Reporter, 12 Apr. 2024 The Duke and Duchess of Sussex released a statement shortly after their sister-in-law made the announcement about her health. Janine Henni, Peoplemag, 11 Apr. 2024 My good friend Sarah struggled with this same issue with her sister-in-law. Kristina Behr, Parents, 10 Apr. 2024 In one of the video clips, the Burlesque star could be seen posing for photos with her brother and sister-in-law at the event. Kimberlee Speakman, Peoplemag, 30 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sister-in-law.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 23 Apr. 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 brother
b
: the wife of one's spouse's brother

More from Merriam-Webster on sister-in-law

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