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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:

Dealing with my mother and my stepsister is exhausting and causes me a lot of anxiety.

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

I didn’t choose “Cinderella,” or the stepsister, the story of “Cinderella” through the stepsister chose me.

From Salon Apr. 18, 2025

Baena's surviving family includes his mother Barbara Stern and stepfather Roger Stern; father Scott and stepmother Michele Baena; brother Brad Baena; stepsister Bianca Gabay and stepbrother Jed Fluxman.

From BBC Jan. 7, 2025

Every night, Ash helped Ana dress for a different banquet or ball, and when her stepsister finally departed, she had to prepare the next night’s gown.

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

“They are going to be your stepsisters, your hermanitas, and we're all going to live here together, so please, try to be nice.”

From "Summer of the Mariposas" by Guadalupe García McCall

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