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.
As seen on her Instagram Stories, Bella, 29, shared a video of her big sister Gigi, 30, lounging in sweats while smiling and eating pizza on their couch. Catherine Santino, PEOPLE, 17 Oct. 2025 Valentina hasn't quite caught up yet with her big sister's newfound love of fashion—yet. Lauren Brown West-Rosenthal, Parents, 9 Oct. 2025 So thank you, Taylor, for being the big sister to all the eldest daughters out there. Madeline Mitchell, USA Today, 3 Oct. 2025 Mom-of-five Ellie Owens, 36, recently shared a montage of clips to Instagram (@fleurdellie) that show how her 2-year-old daughter, Dangy's commitment to being a big sister. Lucy Notarantonio, MSNBC Newsweek, 1 Oct. 2025 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

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Cite this Entry

“Big sister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20sister. Accessed 22 Oct. 2025.

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