English

Definition of stepmother noun from the Oxford Advanced Learner's Dictionary

 

stepmother

 noun
noun
BrE BrE//ˈstepmʌðə(r)//
 
; NAmE NAmE//ˈstepmʌðər//
 
Marriage, Relations
 
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the woman who is married to your father but who is not your real mother See related entries: Marriage, Relations Word Origin Old English stēopmōdor (see step-, mother).
See the Oxford Advanced American Dictionary entry: stepmother