(in the narrow sense) A husband of one's biological mother after her initial marriage to or relationship with one's biological father.

plural of stepfather

A stepfather of one's spouse.

A previous husband of one's mother during one's lifetime, other than one's father, typically following the divorce or death of the father.

plural of ex-stepfather

plural of stepfather-in-law

Like or befitting a stepfather.

The state or relationship of being a stepfather.