/ Dictionary / Index F fifty-four: Meaning and Definition of Find definitions for: fif•ty-four Pronunciation: (fif'tē-fôr', -fōr'), [key] — n. a cardinal number, 50 plus 4. a symbol for this number, as 54 or LIV. a set of this many persons or things. —adj. amounting to 54 in number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fifty-four (Thesaurus) fifty-five Fifty-four-forty or Fight Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language