Destroyer

destroyer
    n 1: a small fast lightly armored but heavily armed warship
         [syn: {destroyer}, {guided missile destroyer}]
    2: a person who destroys or ruins or lays waste to; "a destroyer
       of the environment"; "jealousy was his undoer"; "uprooters of
       gravestones" [syn: {destroyer}, {ruiner}, {undoer}, {waster},
       {uprooter}]
    

Destroyer \De*stroy"er\, n. [Cf. OF. destruior.]
   1. One who destroys, ruins, kills, or desolates.
      [1913 Webster]

   2. (Nav.) a small fast warship used primarily as an escort to
      larger vessels and typically armed with a combination of
      5-inch guns, torpedos, depth charges, and missiles;
      formerly identical to the {Torpedo-boat destroyer}.
      [Webster 1913 Suppl.]
    

Destroyer
(Ex. 12:23), the agent employed in the killing of the
first-born; the destroying angel or messenger of God. (Comp. 2
Kings 19:35; 2 Sam. 24:15, 16; Ps. 78:49; Acts 12:23.)
    

41 Moby Thesaurus words for "destroyer":
      animal, annihilator, anthropophagite, arsonist, bane, barbarian,
      battleship, battlewagon, beast, biblioclast, bomber, brute, burner,
      can, cannibal, capital ship, demolisher, despoiler, destruction,
      dynamitard, dynamiter, exterminator, hun, hyena, iconoclast,
      idol breaker, idoloclast, man-eater, nihilist, ruin, ruination,
      ruiner, savage, shark, syndicalist, terrorist, tiger, undoing,
      vandal, wild man, wrecker