/ Dictionary / Index S sunny side: Meaning and Definition of Find definitions for: sun'ny side" Pronunciation: [key] the part upon which sunlight falls: the sunny side of the house. a pleasant or hopeful aspect or part: the sunny side of life. some age less than one specified: You're still on the sunny side of thirty. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sunny sunnyside up 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