unmanned

/ʌnˈmænd/
adjective
  1. Not having or needing a crew or operator; operated automatically or remotely.
    • The unmanned drone flew over the disaster area to assess the damage.
    • Many countries now use unmanned spacecraft to explore Mars.
    • The factory uses unmanned robots to assemble cars at night.
  2. Deprived of courage or confidence; disheartened (archaic or literary).
    • The harsh criticism left him feeling unmanned and defeated.
    • In the old poem, the knight was unmanned by the loss of his sword.
    • She felt completely unmanned by the betrayal of her closest friend.
Antonyms
What does "unmanned" mean? | whatsthatwordmean | whatsthatwordmean