Unmanned Un*manned", a. 1. [Properly p. p. of unman.] Deprived of manly qualities; deficient in vigor, strength, courage, etc.; weak; effeminate. 2. [Pref. un- not + man + -ed.] (Falconry) Not tamed; not made familiar with, or subject to, man; -- also used figuratively. [Obs.] Hood my unmanned blood bating in my cheeks With thy black mantle. --Shak. 3. [Pref. un- not + manned.] Not furnished with men; as, an unmanned ship.