disarm UK /dɪsˈɑː(ɹ)m/US /dɪsˈɑɹm/verb 5noun 1forms 5 verb5 •To deprive of weapons; to deprive of the means of attack or defense; to render defenseless. •To deprive of the means or the disposition to harm; to render harmless or innocuous.Foremost in her arsenal is that smile – so enormous and so absurdly disarming that someone should have worked out a way to harness its power into international conflict resolution. — 2014 •To lay down arms; to stand down. •To reduce one's own military forces. •To render into a state in which something is no longer armed, or prepared for use (such as to disable the security systems on). noun1 •The act of depriving a person of a weapon they carry.As a brief background, the gun disarms originally taught to S.A.C. Airmen as part of the Combative Measures program were taken from Kodokan Goshin-Jutsu. — 2010 formsdisarmed · disarming · disarmeth · disarms · disarmest