The Collaborative International Dictionary of English v.0.48:

Sunshiny \Sun"shin`y\, a.
   1. Bright with the rays of the sun; clear, warm, or pleasant;
      as, a sunshiny day.
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   2. Bright like the sun; resplendent.
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            Flashing beams of that sunshiny shield. --Spenser.
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   3. Beaming with good spirits; cheerful. "Her sunshiny face."
      --Spenser.
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