unmanned

(not comparable)Not operated by a person or a crew.

unmanned drones

an automated e-mail message sent from an unmanned mailbox

unbemannt

беспило́тныйbespilótnyj

безпіло́тнийbezpilótnyj

lacking a crew

(not comparable)Of a bird of prey: not accustomed to the presence of human beings.

(humorous, neologism, not comparable, slang)Of a setting, situation or event, devoid of males.