/ Dictionary / Index F fantast: Meaning and Definition of Find definitions for: fan•tast Pronunciation: (fan'tast), [key] — n. a visionary or dreamer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fantast (Thesaurus) fantasmagoria fantastic Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language