From Longman Dictionary of Contemporary Englishstepfatherstep‧fa‧ther /ˈstepfɑːðə $ -ər/ ●●○ noun [countable] SSFFAMILYa man who is married to your mother but who is not your father
Examples from the Corpus
stepfather• While this may seem scary, it is the only way to get her stepfather to stop what he is doing.• Despite encouragement, he still couldn't call his stepfather dad.• Then he did the same to his stepfather, whose forehead was dry and cold, almost as if he were dead already.• His stepfather thinks it might be the boy.• He's my horrible stepfather and I simply can't stick him.• My brother Sean is very slow, and I feel my stepfather had something to do with that too.• Eiman's stepfather, Douglas Grant, 50, landed in Manila yesterday, after travelling from Inverness. 