big sister

noun

1
: an older sister
2
: a woman who serves as a companion, mother figure, and role model for a girl

Examples of big sister 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.
From Chioma’s issue, both editors were excited to talk about Christopher Kane’s Mulberry debut with his big sister—and longtime collaborator—Tammy Kane. — Alex Jhamb Burns, Vogue, 27 Oct. 2026 The second image the Big Bang Theory alum shared was of Philomena being cuddled by her big sister, Matilda, whom Cuoco and her actor fiancé Tom Pelphrey, 44, welcomed in March 2023. — Clare Fisher, PEOPLE, 20 Oct. 2026 George was headed for a modest, quiet patch of the Midwest, plus his big sister, Louise, who recently relocated to the small town of Benton, Illinois, was eager to drum up publicity for her brother’s band. — Christopher Borrelli, Chicago Tribune, 18 Oct. 2026 Kylie Jenner is following in her big sister Kim Kardashian’s footsteps and trying out acting. — Alejandra Gularte, Vulture, 6 Oct. 2026 See All Example Sentences for big sister

Word History

First Known Use

1828, in the meaning defined at sense 1

Time Traveler
The first known use of big sister was in 1828

Browse Nearby Words

Cite this Entry

“Big sister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20sister. Accessed 28 Oct. 2026.

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