The Collaborative International Dictionary of English v.0.48:

Sunny \Sun"ny\, 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.
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   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.
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            Her blooming mountains and her sunny shores.
                                                  --Addison.
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   3. Cheerful; genial; as, a sunny disposition.
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            My decayed fair
            A sunny look of his would soon repair. --Shak.
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