(transitive) To equip with a weapon; to arm.

An instrument of attack or defense in combat or hunting, e.g. most guns, missiles, or swords; arm. / An instrument or other means of harming or exerting control over another.

present participle of weaponize

(transitive) To make into a weapon. / (transitive) To make more effective as a weapon.

Made into, or to serve as, a weapon.

simple past tense and past participle of weaponize

Armed with a weapon. / (figuratively) Equipped, prepared.

(US) Someone who makes weapons, especially nuclear weapons. / A member of an aircrew responsible for the weapons.

(military) To provide with appropriate weaponry for use against the chosen targets.

(nonstandard, rare) Like a weapon.