The Collaborative International Dictionary of English v.0.48:

Sweaty \Sweat"y\, a. [Compar. Sweatier; superl. Sweatiest.]
   1. Moist with sweat; as, a sweaty skin; a sweaty garment.
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   2. Consisting of sweat; of the nature of sweat.
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            No noisome whiffs or sweaty streams.  --Swift.
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   3. Causing sweat; hence, laborious; toilsome; difficult. "The
      sweaty forge." --Prior.
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