Below are possible answers for the crossword clue Knee-jerk.
9 letter answer(s) to knee-jerk
AUTOMATIC
a pistol that will keep firing until the ammunition is gone or the trigger is released
light machine gun
operating with minimal human intervention; independent of external control; "automatic transmission"; "a budget deficit that caused automatic spending cuts"
resembling the unthinking functioning of a machine; "an automatic `thank you'"; "machinelike efficiency"
without volition or conscious control; "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive"
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