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Synonyms

stepsister

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

noun

  • stepsisters
    plural
  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

Other Word Forms

Noun Inflected Forms


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.

See Examples For:

The union gave me a stepbrother and a stepsister.

From The Wall Street Journal ● Oct. 14, 2026

Introducing someone as a stepsister evokes a host of unspoken disclaimers: Not my real sister!

From The Wall Street Journal ● Oct. 14, 2026

Related: ‘I’m part of a blended family that didn’t blend well’: My stepsister added her mailing address to our mother’s bank account.

From MarketWatch ● Feb. 18, 2026

"What I found in this fairy tale is that the stepsister is the most relatable character and has been for thousands of years."

From Salon ● Apr. 18, 2025

Ash froze, turning to look at her stepsister.

From "Ash" by Malinda Lo

After decades of feeling like the forgotten stepsisters of marketers, some CCOs are even moving up and into bigger roles that companies have long filled with finance and operations executives.

From The Wall Street Journal ● Jun. 8, 2026

But “Grounded” would have been better left without its imposed topic, which inadvertently casts much work as ugly stepsisters unsuccessfully trying to jam their feet into Cinderella’s glass slipper.

From Los Angeles Times ● Oct. 9, 2025

Despite the family's efforts to protect them, her younger stepsisters found out that their father and mother were trapped under the rubble from other children at school.

From BBC ● Apr. 9, 2025

Survivors include a son from his first marriage, William Jr.; two stepbrothers; two stepsisters; and three grandchildren.

From Washington Post ● Mar. 1, 2022

“The prince has proclaimed that he will make some sort of announcement at the hunt,” she continued, “and my stepmother and stepsisters will be there. I wish to go without them knowing.”

From "Ash" by Malinda Lo

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