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.
So thank you, Taylor, for being the big sister to all the eldest daughters out there. Madeline Mitchell, USA Today, 3 Oct. 2025 Olivia, who married San Francisco 49ers running back Christian McCaffrey in 2024, commented on her big sister’s engagement news. Angel Saunders, PEOPLE, 2 Oct. 2025 Best Baking Toy This isn’t your big sister’s Easy Bake Oven! Pamela Brill, Parents, 2 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 4 Oct. 2025.

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