automatic meaning and definition

AUTOMATIC noun

Definition of automatic (noun)

1. light machine gun
   • synonyms: automatic rifle, machine rifle
2. a pistol that will keep firing until the ammunition is gone or the trigger is released
   • synonyms: automatic pistol

AUTOMATIC adjective

Definition of automatic (adjective)

1. operating with minimal human intervention; independent of external control
   • "automatic transmission"; "a budget deficit that caused automatic spending cuts"
   • antonym: manual
2. resembling the unthinking functioning of a machine
   • "an automatic `thank you'"; "machinelike efficiency"
   • synonyms: automatonlike, machinelike, robotic, robotlike
3. without volition or conscious control
   • "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive"
   • synonyms: reflex, reflexive