· an automatic instinctive unlearned reaction to a stimulus
Synonym(s): reflex_response, reflex_action, instinctive_reflex, innate_reflex, inborn_reflex, unconditioned_reflex, physiological_reaction
Hypernym(s): reaction, response
· without volition or conscious control; "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive"
Synonym(s): automatic, reflexive