/ Dictionary / Index R reactive schizophrenia: Meaning and Definition of Find definitions for: reac'tive schizophre'nia Pronunciation: [key] — Psychiatry. Psychiatry. a type of schizophrenia of rapid onset and brief duration that occurs in response to environmental factors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reactive depression reactivity Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language