1. (noun)undoer a seducer who ruins a woman "she awoke in the arms of her cruel undoer"
2. (noun)undoer, opener, unfastener, untier a person who unfastens or unwraps or opens "children are talented undoers of their shoelaces"
3. (noun)destroyer, ruiner, undoer, waster, uprooter a person who destroys or ruins or lays waste to "a destroyer of the environment"; "jealousy was his undoer"; "uprooters of gravestones"
Definition of 'undoer'
