/ Dictionary / Index S spiffy: Meaning and Definition of Find definitions for: spiff•y Pronunciation: (spif'ē), [key] — spiff•i•er, spiff•i•est. spruce; smart; fine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spiffy (Thesaurus) spiff spigot Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language