The Collaborative International Dictionary of English v.0.48:

Hirsute \Hir*sute"\, a. [L. hirsutus; prob. akin to horridus
   horrid. Cf. Horrid.]
   1. Rough with hair; set with bristles; shaggy.
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   2. Rough and coarse; boorish. [R.]
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            Cynical and hirsute in his behavior.  --Life of A.
                                                  Wood.
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   3. (Bot.) Pubescent with coarse or stiff hairs. --Gray.
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   4. (Zool.) Covered with hairlike feathers, as the feet of
      certain birds.
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Jargon File (4.4.4, 14 Aug 2003):

hirsute
 adj.

   Occasionally used humorously as a synonym for hairy.


Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "hirsute":
   barbellate, bristled, bristling, bristly, bushy, cirrose, downy,
   feathery, fleecy, flocculent, flossy, fluffy, furry, fuzzy,
   glochidiate, hairy, hispid, lanate, matted, nappy, peachy, pilose,
   pinnate, pubescent, setaceous, setose, setous, shagged, shaggy,
   strigal, strigate, strigose, stubbled, stubbly, studded, unshorn,
   velvety, whiskered, woolly