knee jerk Hear it!

knee jerk definition

knee jerk

patellar reflex
knee-jerk definition

☆ knee·-jerk (-jʉrk′)

adjective

Informal designating, characterized by, or reacting with an automatic, predictable response

Etymology: < knee jerk

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.