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.
Since then, it’s kept its clout, thanks to fans who don’t see a reason to stray and newcomers who’ve heard their big sisters and moms sing its praises. Marci Robin, Allure, 20 May 2026 Even when Andy starts spiraling into discussions about cosmic turtles, destiny, and temporal manipulation, his big sister anchors that playful back-and-forth in serious creative rigor. Alison Foreman, IndieWire, 19 May 2026 Phillip's little one will join big sister Naomi, 4, this coming October. Hannah Sacks, PEOPLE, 18 May 2026 Even Jordan’s big sister, Quinn—an all-American and high school team captain, who’d been competing since the age of seven and was already verbally committed to Princeton—had never been so driven at that age. Literary Hub, 12 May 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 4 Jun. 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