Sunniness(n.) The quality or state of being sunny.
Sunny(n.) See Sunfish (b).
Sunny(superl.) Of or pertaining to the sun; proceeding from, or resembling the sun; hence, shining; bright; brilliant; radiant.
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.
Sunny(superl.) Cheerful; genial; as, a sunny disposition.
Words within sunnies