The Collaborative International Dictionary of English v.0.48:

brunet \bru*net"\, Brunette \Bru*nette"\, adj.
   1. being or having dark-colored skin and hair; contrasted
      with blond. [Narrower terms: adust, sunburned burned
      brown by the sun; black, brown; black-haired,
      dark-haired; browned, suntanned, tanned; grizzled,
      roan; nutbrown]
      [WordNet 1.5] brunet

The Collaborative International Dictionary of English v.0.48:

brunet \bru*net"\, Brunette \Bru*nette"\, n. [F. brunet,
   brunette, brownish, dim. of brun, brune, brown, fr. OHG.
   br?n. See Brown, a.]
   A girl or woman with a somewhat brown or dark complexion. --
   a. Having a dark tint.
   [1913 Webster]

WordNet (r) 3.0 (2006):

brunet
    adj 1: marked by dark or relatively dark pigmentation of hair or
           skin or eyes; "a brunette beauty" [syn: brunet,
           brunette] [ant: blond, blonde, light-haired]
    n 1: a person with dark (brown) hair [syn: brunet, brunette]

Moby Thesaurus II by Grady Ward, 1.0:

63 Moby Thesaurus words for "brunet":
   ash blond, auburn-haired, beige, black-haired, black-locked,
   bleached blond, blond, brown, brown-haired, brownish,
   brownish-yellow, carrottop, chocolate, cinnamon, cocoa,
   cocoa-brown, coffee, coffee-brown, dark-skinned, drab, dun,
   dun-brown, dun-drab, dusky, ecru, fawn, fawn-colored, fuscous,
   goldilocks, grege, hazel, honey blond, khaki, lurid, nut-brown,
   olive-brown, olive-drab, peroxide blond, platinum blond,
   raven-haired, raven-tressed, redhead, seal, seal-brown, sepia,
   snuff-colored, sorrel, strawberry blond, swart, swarth, swarthy,
   tan, taupe, tawny, toast, toast-brown, towhead, umber,
   umber-colored, walnut, walnut-brown, xanthous, yellowish-brown