/ Dictionary / Index F fatal: Meaning and Definition of Find definitions for: fa•tal Pronunciation: (fāt'l), [key] — adj. causing or capable of causing death; mortal; deadly: a fatal accident; a fatal dose of poison. causing destruction, misfortune, ruin, or failure: The withdrawal of funds was fatal to the project. decisively important; fateful: The fatal day finally arrived. proceeding from or decreed by fate; inevitable: a fatal series of events. influencing or concerned with fate; fatalistic. doomed. prophetic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fatal (Thesaurus) fat fatalism 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