1. (

• destroyer ,
• guided_missile_destroyer

) a small fast lightly armored but heavily armed warship ;

2. (

• 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" ;