/ Dictionary / Index F flight of ideas: Meaning and Definition of Find definitions for: flight' of ide'as Pronunciation: [key] — Psychiatry. Psychiatry. a rapid flow of thought, manifested by accelerated speech with abrupt changes from topic to topic: a symptom of some mental illnesses, esp. manic disorder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flight officer flight path Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language