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.
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 The first two also introduced characters who later joined the series — Tommy’s younger brother, Dil Pickles (Tara Strong), and Chuckie’s stepsister, Kimi Finster (Dionne Quan). — Samantha Stutsman, PEOPLE, 11 Aug. 2026 Teresita’s elder stepsister became the family’s chief breadwinner. — Charlie Campbell, Time, 20 July 2026 The exact cause of death has not been determined, according to his stepsister Wendy Leitzer. — Jean E. Palmieri, Footwear News, 7 July 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 19 Aug. 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

Nglish: Translation of stepsister for Spanish Speakers

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