sultriest

from The Collaborative International Dictionary of English v.0.48
Sultry \Sul"try\ (s[u^]l"tr[y^]), a. [Compar. {Sultrier}
   (s[u^]l"tr[i^]*[~e]r); superl. {Sultriest}.] [From
   {Sweltry}.]
   1. Very hot, burning, and oppressive; as, Libya's sultry
      deserts.
      [1913 Webster]

            Such as, born beneath the burning sky
            And sultry sun, betwixt the tropics lie. --Dryden.
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   2. Very hot and humid, or hot, close, stagnant, and
      oppressive, as air.
      [1913 Webster]

            When in the sultry glebe I faint,
            Or on the thirsty mountain plant.     --Addison.
      [1913 Webster]
    

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