/ Dictionary / Index F fantasize: Meaning and Definition of Find definitions for: fan•ta•size Pronunciation: (fan'tu-sīz"), [key] — v., -sized, -siz•ing. —v.i. to conceive fanciful or extravagant notions, ideas, suppositions, or the like (often fol. by about): to fantasize about the ideal job. —v.t. to create in one's fancy, daydreams, or the like; imagine: to fantasize a trip through space. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fantasize (Thesaurus) fantasist fantasm 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