- 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"
--1 is a kind of bad person
--1 has particulars:annihilator; iconoclast, image breaker; saboteur, wrecker, diversionist; vandal Derived forms: verb ruin2, verb ruin4, verb ruin1