1. reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction, reaction, response

usage: an automatic instinctive unlearned reaction to a stimulus


1. automatic, reflex(prenominal), reflexive, involuntary (vs. voluntary)

usage: without volition or conscious control; "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive"

WordNet 3.0 Copyright © 2006 by Princeton University.
All rights reserved.

See also: reflex (Dictionary)