(noun, adjective)


1. operating with minimal human intervention; independent of external control

- automatic transmission

- a budget deficit that caused automatic spending cuts

Similar word(s): autoloading, semiautomatic, automated, smart, mechanical

2. resembling the unthinking functioning of a machine

- an automatic `thank you'

Similar word(s): mechanical, automatonlike, machinelike, robotic, robotlike

3. without volition or conscious control

- the automatic shrinking of the pupils of the eye in strong light

Similar word(s): involuntary, reflex, reflexive

Sentences with automatic as an adjective:

- The automatic clothes washer was a great labor-saving device

- The reaction was automatic: flight!


1. light machine gun

Definition categories: man–made

2. a pistol that will keep firing until the ammunition is gone or the trigger is released

Definition categories: man–made, handgun, pistol

Sentences with automatic as a noun:

- I never learned to drive a stick. I can only drive an automatic.