See also: step-brother

English edit

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Etymology edit

PIE word
*bʰréh₂tēr

step- +‎ brother

Pronunciation edit

  • Hyphenation: step‧broth‧er

Noun edit

stepbrother (plural stepbrothers or (obsolete) stepbrethren)

  1. The son of one's stepparent who is not the son of either of one's biological parents.
  2. The stepson of one's parent who is not one's half-brother.

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