Knee-jerk

"Knee-jerk" in Spanish

impulsivo

(reacting unthinkingly or spontaneously in an expected manner)

visceral

(reacting unthinkingly or spontaneously in an expected manner)

reflejo rotuliano

(reflex extension of the lower leg due to tap below knee)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.