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English definition of “stepbrother”


noun [C]     /ˈstepˌbrʌ.ðər/ US  /-ðɚ/
not your parents ' son , but the son of a person that one of your parents has married → Compare half-brotherNon-blood relations
(Definition of stepbrother noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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