automatic response
noun phraseUK /ˌɔːtəˈmætɪk rɪˈspɒns/
US /ˌɔːtəˈmætɪk rɪˈspɑːns/
A reply you give right away without thinking about it.
When the teacher asked his name, his automatic response was to say it loudly.
OTHER MEANINGS
2. A message a computer or machine sends back by itself.
The email system sent an automatic response saying the office was closed.
3. A reply that happens because of training or practice, not choice.
After months of drills, stopping at the red light became an automatic response.
4. A quick physical reaction your body makes without your control.
Blinking when something flies near your eye is an automatic response.