/ Dictionary / Index F five-by-five: Meaning and Definition of Find definitions for: five-by-five Pronunciation: (fīv'bī-fīv'), [key] — adj. Slang (facetious) short and fat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. five-and-ten Five Civilized Nations Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language