automatic
automaticadjective
UK/ˌɔːtəˈmætɪk/US/ˌɑːtəˈmætɪk/
MACHINE
B1working by itself without needing a person to control it
- The building has automatic doors.
- I learned to drive in an automatic car.
WITHOUT THINKING
B2done without thinking
- Breathing is automatic.
CERTAIN
C1certain to happen as part of a rule or system
- Breaking this rule leads to automatic disqualification.