/ Dictionary / Index S sunny: Meaning and Definition of Find definitions for: sun•ny Pronunciation: (sun'ē), [key] — -ni•er, -ni•est. abounding in sunshine: a sunny day. exposed to, lighted, or warmed by the direct rays of the sun: a sunny room. pertaining to or proceeding from the sun; solar. resembling the sun. cheery, cheerful, or joyous: a sunny disposition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sunny (Thesaurus) Sunnite sunny side 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