Definition of "catatonia" []

• An abnormal condition variously characterized by stupor, stereotypy, mania, and either rigidity or extreme flexibility of the limbs. It is most often associated with schizophrenia. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Moderate-dose PCP reactions conform most closely to the type we call catatonia—disturbances of body posture and speech."
• "He kept thinking there must be something that he had not tried, that her catatonia was a condition he could change if he could just figure out what was needed."
• "In 1934, Stauder coined the term lethal catatonia to characterize an acute, intense excitement state, combining features of mania and delirium, that was associated with fever often high and catatonic signs."