Synonyms for weapon

noun

1. An instrument for combat

   armament, protection, weaponry, deadly weapon, hardware, sophisticated hardware, lethal weapon, defense.

   Weapons include: club, spear, arrow, mace, knife, catapult, bullet, dart, flechette, missile, sling, slingshot, CAM, cybernetic anthropomorphic machine, bomb, atomic bomb, nuclear bomb, rocket, torpedo, stick, ax, firearm, cannon, gun, musket, rifle, blackjack, whip, sword, pistol, revolver, bayonet, bazooka, mortar, antiaircraft gun, machine gun, warhead; airplane, tank, submarine, destroyer.

2. A device thought of figuratively as a weapon

   argument, plea, evidence, influence, alibi, intimidation, threat, blackmail, scolding, sharp tongue.