Definition of step- combining form from the Oxford Advanced Learner's Dictionary



 combining form
combining form
BrE BrE//step//
; NAmE NAmE//step//
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(in nouns) related as a result of one parent marrying again stepmother See related entries: Relations Word Origin Old English stēop-, from a Germanic base meaning ‘bereaved, orphaned’.
See the Oxford Advanced American Dictionary entry: step-