Webster’s Revised Unabridged Dictionary · 1913
Sunny
Sun′ny (sŭn′ny̆), a. [Compar. Sunnier; superl. Sunniest.] 1. Of or pertaining to the sun; proceeding from, or resembling the sun; hence, shining; bright; brilliant; radiant. "Sunny beams." Spenser. "Sunny locks." Shak.
2. 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.
Her blooming mountains and her sunny shores. Addison.
3. Cheerful; genial; as, a sunny disposition.
My decayed fair A sunny look of his would soon repair. Shak.
Sun′ny, n. (Zoöl.) See Sunfish (b).