stepsister

noun

step·​sis·​ter ˈstep-ˌsi-stər How to pronounce stepsister (audio)
Synonyms of stepsisternext
: the daughter of one's stepparent : the stepdaughter of one's parent

Examples of stepsister 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.
The Fire Country spinoff series follows straight-shooting sheriff Mickey Fox (Baccarin), the stepsister of Cal Fire’s division chief Sharon Leone (Fire Country‘s Diane Farr). — Denise Petski, Deadline, 24 Aug. 2026 In addition to forming a close bond with Anne, Georgina is also close to her new stepsisters Savannah and Isla—after all, the teenagers play on the same hockey team, which is how Peter and Harriet connected. — Rachel Burchfield, InStyle, 18 Aug. 2026 Daisy was Lizzie’s stepsister through her stepfather Jim Lemay, played by Anthony Addabbo. — Victoria Edel, PEOPLE, 17 Aug. 2026 Sanghee does have support, however, from her younger stepsister (Park Miso), a shy aspiring artist who admires both her films and her principles; if only Sanghee liked her more. — Guy Lodge, Variety, 15 Aug. 2026 See All Example Sentences for stepsister

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of stepsister was in the 15th century

Rhymes for stepsister

See All Rhymes for stepsister

Browse Nearby Words

stepsibling
stepsister
step socket
See all Nearby Words

Cite this Entry

“Stepsister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stepsister. Accessed 1 Sep. 2026.

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Kids Definition

stepsister

noun
step·​sis·​ter ˈstep-ˌsis-tər How to pronounce stepsister (audio)
: a daughter of one's stepparent by a former partner

More from Merriam-Webster on stepsister

Thesaurus: All synonyms and antonyms for stepsister

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