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Definition of "stepsister" [step•sis•ter]

  • A daughter of one's stepparent. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "stepsister" in a sentence
  • "-- Linux, Windows 'ugly stepsister, is now gaining some ground on consumer desktops."
  • "His stepsister was the second reason Louddon chased after Duncan."
  • "Schoenwetter's connection to his stepsister was a phone number."