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[step-sis-ter] /ˈstɛpˌsɪs tər/
one's stepfather's or stepmother's daughter by a previous marriage.
Origin of stepsister
late Middle English
late Middle English word dating back to 1400-50; See origin at step-, sister Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for stepsister
Contemporary Examples
Historical Examples
  • She was the only relation I had, except my stepsister, and she was off travelling.

    The Prisoner Alice Brown
  • She was surprised and almost alarmed at the effect upon her stepsister.

    A True Friend Adeline Sergeant
  • "I'm afraid I was looking at the horses," cut in her stepsister.

  • Yet I think she would have stayed if her stepsister had not urged.

  • But while she was doing so her stepsister gave her a push, and she fell backward into the water.

    The Fairy Ring Various
  • So Conkiajgharuna stayed at home while her stepsister drove out the cow.

  • Little Rosebud—that's what everybody called her—had a stepsister Maud.

    The Long Day

    Dorothy Richardson
  • She did not even thank her stepsister for the trouble she had taken.

    Good Stories For Great Holidays Frances Jenkins Olcott
  • His stepsister got into trouble and died, leaving little David.

    Green Valley

    Katharine Reynolds
British Dictionary definitions for stepsister


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
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