Definition of stepbrother
: a son of one's stepparent by a former partner
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15th Century
First Known Use of stepbrother
15th century
STEPBROTHER Defined for English Language Learners
stepbrother
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noun
step·broth·er
\ˈstep-ˌbrə-thər\
Definition of stepbrother for English Language Learners
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: the son of your stepmother or stepfather
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See words that rhyme with stepbrother Spanish Central: Translation of stepbrother Nglish: Translation of stepbrother for Spanish speakers Britannica English: Translation of stepbrother for Arabic speakers
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