/ Dictionary / Index C catatonia: Meaning and Definition of Find definitions for: cat•a•to•ni•a Pronunciation: (kat"u-tō'nē-u, -tōn'yu), [key] — n. Psychiatry. a syndrome seen most frequently in schizophrenia, characterized by muscular rigidity and mental stupor, sometimes alternating with great excitement and confusion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catatonia (Thesaurus) catastrophism catawampus Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language