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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

Things will be stressful enough in the wake of her passing, and on top of that you will have to watch your stepsister like a hawk.

From MarketWatch ● Feb. 13, 2026

Hahn: It’s interesting, Mark, because I’ve always felt kind of like basically just invited to the party, so I always have felt like the messy stepsister on the outside looking in.

From Los Angeles Times ● Jun. 5, 2025

When Ash opened the door to Ana’s room, she found her stepsister awake and sitting at the window looking out at the courtyard, dusted with snow.

From "Ash" by Malinda Lo

They were stepsisters who hadn’t seen each other since they were little girls.

From The Wall Street Journal ● Jun. 21, 2026

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

Men occasionally dance female roles in classical ballet, but only for humorous effect, like the stepsisters in Frederick Ashton’s “Cinderella.”

From New York Times ● Apr. 19, 2022

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

From Washington Post ● Mar. 1, 2022

By the time the carriage was fully packed and her stepmother and stepsisters were sitting within, Ash was tired and wished she were being left behind after all.

From "Ash" by Malinda Lo

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