/ Dictionary / Index S sappy: Meaning and Definition of Find definitions for: sap•py Pronunciation: (sap'ē), [key] — -pi•er, -pi•est. abounding in sap, as a plant. full of vitality and energy. silly or foolish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sappy (Thesaurus) Sapporo sapremia Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language