Automatic meaning

What does “automatic” mean? Definitions, examples, synonyms and opposites.

“automatic” is a noun and adjective with 5 meanings. Its most common meaning is: light machine gun.

automatic

light machine gun
Synonymsautomatic rifle machine rifle
a pistol that will keep firing until the ammunition is gone or the trigger is released
Synonymsautomatic pistol

operating with minimal human intervention; independent of external control
“automatic transmission”
“a budget deficit that caused automatic spending cuts”
Oppositesmanual
resembling the unthinking functioning of a machine
“an automatic `thank you'”
“machinelike efficiency”
Synonymsautomatonlike machinelike robotlike robotic
without volition or conscious control
“the automatic shrinking of the pupils of the eye in strong light”
“a reflex knee jerk”
Synonymsreflex reflexive

Source: WordNet 3.1, Princeton University