0 stepson [noun]the son of your husband or wife from a previous marriage US /ˈstep.sʌn/ UK /ˈstep.sʌn/ Longman Dictionary of Contemporary English stepson step‧son /ˈstepsʌn/ BrE AmE noun [countable] a son that your husband or wife has from a relationship before your marriage Oxford Advanced Learner's Dictionary stepson step·son [stepson stepsons] [ˈstepsʌn] [ˈstepsʌn] noun a son that your husband or wife has from an earlier marriage to another person Word Origin: Old English stēopsunu (see step-, son). Cambridge Advanced Learner's Dictionary stepson / ˈstep.sʌn / noun [ C ] the son of your husband or wife from a previous marriage Collins Advanced Learner’s English Dictionary stepson [ste̱psʌn] stepsons also step-son N-COUNT: oft poss N Someone's stepson is a son born to their husband or wife during a previous relationship. Merriam-Webster's Advanced Learner's Dictionary stepson step·son /ˈstɛpˌsʌn/ noun, pl -sons [count] : your wife's or husband's son by a past marriage or relationship American EnglishBritish Englishnon-blood relationsB2 (Upper-intermediate)nounShortened URL: http://lngt.co/stepson1en