/ Dictionary / Index F ferocious: Meaning and Definition of Find definitions for: fe•ro•cious Pronunciation: (fu-rō'shus), [key] — adj. savagely fierce, as a wild beast, person, action, or aspect; violently cruel: a ferocious beating. extreme or intense: a ferocious thirst. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ferocious (Thesaurus) ferny ferocity Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language