cat·a·lep·sy
(kăt′l-ĕp′sē)n. pl. cat·a·lep·sies A condition characterized by lack of response to external stimuli and by muscular rigidity, so that the limbs remain where they are positioned. It occurs in a variety of physical and psychological disorders, such as epilepsy and schizophrenia, and can be induced by hypnosis.
[Middle English catalempsi, from Late Latin catalēmpsia, from Greek katalēpsis, from katalambanein, to seize upon : kata-, intensive pref.; see cata- + lambanein, lēp-, to seize.]
cat′a·lep′tic (kăt′l-ĕp′tĭk) adj.
cat′a·lep′ti·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
cataleptically
(ˌkætəˈlɛptɪkəlɪ) advin a trancelike or cataleptic manner
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014