1. Operating with minimal human intervention; independent of external control
   "automatic transmission"; "a budget deficit that caused automatic spending cuts"
    
2. Resembling the unthinking functioning of a machine
   "an automatic ‘thank you’";
   - automatonlike, machinelike, robotlike, robotic
    
3. (physiology) without volition or conscious control
   "the automatic shrinking of the pupils of the eye in strong light";
   - reflex, reflexive

1. Self-loading rifle capable of automatic fire
   "The troops were equipped with automatic rifles for the mission";
   - automatic rifle, machine rifle
    
2. A pistol that will keep firing until the ammunition is gone or the trigger is released
   "He carried an automatic pistol for self-defence";
   - automatic pistol
    
3. A car with automatic transmission
   "He preferred driving an automatic for city commutes"

Derived forms: automatics

See also: autoloading, automated, involuntary, machine-controlled, machine-driven, mechanical, self-acting, self-activating, self-loading, self-locking, self-moving, self-regulating, self-winding, semiautomatic, smart

Type of: automatic firearm, automatic gun, automatic weapon, handgun, machine gun, pistol, rifle, shooting iron, side arm

Antonym: manual

Encyclopedia: Automatic