/ Dictionary / Index F fastigiate: Meaning and Definition of Find definitions for: fas•tig•i•ate Pronunciation: (fa-stij'ē-it, -āt"), [key] — adj. rising to a pointed top. joined together in a tapering adhering group. erect and parallel, as branches. having such branches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fastigiate (Thesaurus) fastidious fastigium Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language