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.
Still, Noah spoke of her love for her big sister and how watching Miley had helped her with her own career in an August 2025 interview with PEOPLE. — Raechal Shewfelt, Entertainment Weekly, 18 Sep. 2026 Kids get to see Peppa proudly taking on the role of big sister, often wanting to lend a helping hand and finding ways to include Evie in her adventures with George. — Anna Halkidis, Parents, 18 Sep. 2026 Their second child, daughter Cecilia Forte, is a year and a half younger than her big sister, although her birthday has not been publicly disclosed. — Bailey Bujnosek, InStyle, 12 Sep. 2026 Holden, now 7, misses his big sister greatly, and finds comfort in sharing favorite memories. — Sam Gillette, PEOPLE, 3 Sep. 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 25 Sep. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster