Produced as an automatic response or reaction:
Happening or arising without apparent external cause; self-generated:
a reflex extension of the leg resulting from a sharp tap on the patellar tendon
Find another word for knee-jerk. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for knee-jerk, like: involuntary impulse, predictable, automatic, reflex, spontaneous, knee-jerk reaction, knee-jerk reflex, expected, automatic response, patellar-reflex and nanny-state.