Dictionary.com

cataplexy

[ kat-uh-plek-see ]
/ ˈkæt əˌplɛk si /
Save This Word!

noun
Pathology. a condition characterized by sudden, brief attacks of muscle weakness sometimes causing the body to fall helplessly, that is usually triggered by strong emotion: often associated with narcolepsy.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of cataplexy

1880–85; <German Kataplexie<Greek katáplēxis (with suffix probably by analogy with Apoplexieapoplexy) fixation (of the eyes), equivalent to kataplēk- (variant stem of kataplḗssein to strike down) + -sis-sis

OTHER WORDS FROM cataplexy

cat·a·plec·tic [kat-uh-plek-tik], /ˌkæt əˈplɛk tɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for cataplexy

cataplexy
/ (ˈkætəˌplɛksɪ) /

noun
sudden temporary paralysis, brought on by severe shock
a state of complete absence of movement assumed by animals while shamming death

Derived forms of cataplexy

cataplectic, adjective

Word Origin for cataplexy

C19: from Greek kataplēxis amazement, from kataplēssein to strike down (with amazement), confound, from kata- down + plēssein to strike
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for cataplexy

cataplexy
[ kătə-plĕk′sē ]

n.
A sudden loss of muscle tone and strength, usually caused by an intense emotional stimulus.

Other words from cataplexy

cat′a•plectic (-plĕktĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK