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
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
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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
Cite this Entry
“Big sister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20sister. Accessed 24 Oct. 2025.
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