3. (adj)automatic operating with minimal human intervention; independent of externalcontrol "automatic transmission"; "a budget deficit that caused automatic spending cuts"
4. (adj)automatic, automatonlike, machinelike, robotlike, robotic resembling the unthinking functioning of a machine "an automatic `thank you'"; "machinelike efficiency"
5. (adj)automatic, reflex(a), reflexive without volition or conscious control "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive"