Pronunciation: (sun'ē), [key]
—adj., -ni•er, -ni•est.
1. abounding in sunshine: a sunny day.
2. exposed to, lighted, or warmed by the direct rays of the sun: a sunny room.
3. pertaining to or proceeding from the sun; solar.
4. resembling the sun.
5. cheery, cheerful, or joyous: a sunny disposition.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.