knee jerk definition

  • noun:
    • A reflex contraction for the quadriceps muscle leading to an abrupt involuntary expansion for the knee, from a sharp faucet into the tendon underneath the patella; patellar response.
    • alternate spelling of knee-jerk.
    • mental and foreseeable; -- of particular people and their reactions to occasions.
    • a reflex extension for the knee resulting from a-sharp faucet on patellar tendon
  • adjective:
    • alternate spelling of knee-jerk.
  • others:
    • A jerk or forward kick for the reduced area of the knee generated by a blow or unexpected stress upon the patellar tendon associated with the leg, that causes a-sudden contraction associated with quadriceps muscle; the patellar reflex.

Related Sources

  • Definition for "knee jerk"
    • A reflex contraction for the quadriceps muscle leading…
    • View More
  • Sentence for "knee jerk"
  • Hypernym for "knee jerk"
  • Urban Dictionary for "knee jerk"
    • An orthopaedic physician whom occurs to…
    • View More
  • Medical Dictionary for "knee jerk"
    • The response that's tested by tapping…
    • View More
91 votes

How would you define knee jerk?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!