Definitions for knee jerk

This page provides all possible meanings and translations of the word knee jerk

Random House Webster's College Dictionary

knee′ jerk`(n.)

  1. a reflex extension of the leg resulting from a sharp tap on the patellar tendon.

    Category: Physiology

Origin of knee jerk:

1875–80

knee′-jerk`(adj.)

  1. Informal. reacting in an automatic, habitual manner; unthinking:

    a knee-jerk liberal.

    Category: Common Vocabulary

Origin of knee-jerk:

1895–1900

Princeton's WordNet

  1. knee jerk, knee-jerk reflex, patellar reflex(noun)

    a reflex extension of the leg resulting from a sharp tap on the patellar tendon

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"knee jerk." Definitions.net. STANDS4 LLC, 2014. Web. 22 Sep. 2014. <http://www.definitions.net/definition/knee jerk>.

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