Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun weapon

2 senses of weapon

Sense 1
weapon, arm, weapon system -- (any instrument or instrumentality used in fighting or hunting; "he was licensed to carry a weapon")
       => instrument -- (a device that requires skill for proper use)

Sense 2
weapon, artillery -- (a means of persuading or arguing; "he used all his conversational weapons")
       => persuasion, suasion -- (the act of persuading (or attempting to persuade); communication intended to induce belief or action)