unmanned Synonyms

remote-controlled unoccupied unpiloted uncrewed automatic crewless unattended leadless robotic neutered self-drive uninhabited vacant upset unsexed unman undermanned terrified taken aback unstaffed unnerved understaffed short-staffed pilotless unpopulated driverless computerized spayed short-handed shaken deserted demoralized dejected daunted dashed cowed castrated awed autonomous automatical astounded appalled agitated devastated disheartened dismayed self-acting petrified overcome manless