0 An automatic machine works by itself or with little human control. -- automatico
automatic doors porte automatiche
1 done without thinking -- automatico
2 (of a machine etc) working by itself -- automatico
3 (of an action) without thinking -- automatico
an automatic response.
4 always happening because of a rule or system -- automatico
5 a self-loading gun -- arma automatica
He has two automatics and a rifle.