·noun ·see Sunfish (b).
II. Sunny ·superl Cheerful; genial; as, a sunny disposition.
III. Sunny ·superl Of or pertaining to the sun; proceeding from, or resembling the sun; hence, shining; bright; brilliant; radiant.
IV. Sunny ·superl Exposed to the rays of the sun; brightened or warmed by the direct rays of the sun; as, a sunny room; the sunny side of a hill.