Describes a Sudden, Spur-of-the-Moment Reaction
This page is the CodyCross answer for the clue below from Australia, Group 1011, Puzzle 1 (Marion Leane Smith).
Question is: Describes a Sudden, Spur-of-the-Moment Reaction
and the answer is: KNEEJERK
Word Meaning:
KNEE JERK — Alternative form of knee-jerk.
Definitions from Wiktionary.