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stepbrother

American  
[step-bruhth-er] / ˈstɛpˌbrʌð ər /

noun

  • stepbrothers
    plural
  1. one's stepfather's son or stepmother's son by a previous marriage.


stepbrother British  
/ ˈstɛpˌbrʌðə /

noun

  1. a son 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 stepbrother

late Middle English word dating back to 1400–50; see origin at step-, brother

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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:

In May, the rapper's stepbrother Maurice Shakur filed a wrongful death lawsuit in civil court.

From Barron's Aug. 10, 2026

“I was so excited to go. We told his stepbrother, who lives there, so he had cleared his schedule. I had to tell him that we can’t go anymore. We still haven’t gone.”

From MarketWatch May 13, 2026

Nor has their stepbrother Joel Melendez, 28, or their beloved friend Carlos Rodriguez, according to family members.

From Los Angeles Times Jul. 8, 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

My stepbrother is a different sort of small than I was at his age—the neat and tidy sort, no elbows or ears jutting out, everything in proportion.

From "All The Bright Places" by Jennifer Niven

Josh Peck and Bell, the show's titular characters who portrayed two teenage stepbrothers, worked together across the span of four seasons from 2004 to 2007.

From Salon Mar. 21, 2024

The stepbrothers knocked on nearby doors, seeking someone who would help.

From Seattle Times Dec. 28, 2022

Will Ferrell and John C. Reilly play another awkward pair, who engage in an escalating rivalry when they become stepbrothers in their 30s and must live in the same house.

From New York Times Mar. 28, 2022

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

From Washington Post Mar. 1, 2022

This time it was buttered popcorn—movie night with her dad at his place in San Francisco, no stepmom, no stepbrothers, just Annabeth and her father curled up on the sofa watching sappy old romantic comedies.

From "The Mark of Athena" by Rick Riordan

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