unmanned Meaning, Definition & Usage

  1. verb cause to lose one's nerve
    unman.
    • an unmanning experience
  2. adjective lacking a crew
    remote-controlled.
    • an unmanned satellite to Mars

WordNet

Un*manned" adjective
Definitions
  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.

Webster 1913