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stepsister

American  
[step-sis-ter] / ˈstɛpˌsɪs tər /

noun

  1. one's stepfather's or stepmother's daughter by a previous marriage.


stepsister British  
/ ˈstɛpˌsɪstə /

noun

  1. a daughter of one's stepmother or stepfather by a union with someone other than one's father or mother respectively

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of stepsister

late Middle English word dating back to 1400–50; see origin at step-, sister

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A Norwegian body horror film shot in Norway, Poland, Sweden and Denmark, "The Ugly Stepsister" is uterly void of cartoon whimsy and helpful, singing mice, but it does have plenty of tapeworms and maggots.

From Salon • Apr. 7, 2025

Writer and director Emilie Blichfeldt's gross-out masterpiece "The Ugly Stepsister" jumps off the premise: "What if the story of Cinderella was really really gross?"

From Salon • Apr. 7, 2025

Your fiancé has a great imagination, but baiting Evil Stepsister like that will just prolong this plot line.

From Slate • Jun. 2, 2021

Stepsister Heather Korbmacher, who works for Bellingham Public Schools, credits all the parents for creating a healthy environment that included large family get-togethers for the holidays.

From Seattle Times • Apr. 14, 2013

When Ash simply stared at her, dumbfounded, Clara said, “It may not be your dream, Stepsister, but do not scoff at those who do dream of it.”

From "Ash" by Malinda Lo