WordNet (r) 3.0 (2006):

sexist
    adj 1: discriminatory on the basis of sex (usually said of men's
           attitude toward women)
    n 1: a man with a chauvinistic belief in the inferiority of
         women [syn: male chauvinist, sexist]

Moby Thesaurus II by Grady Ward, 1.0:

49 Moby Thesaurus words for "sexist":
   Timonistic, antiblack, antisocial, biased, bigot, chauvinist,
   chauvinistic, colored, cynic, cynical, doctrinaire, dogmatic,
   dogmatist, fanatic, illiberal, influenced, interested, intolerant,
   jaundiced, jingo, know-nothing, male chauvinist, man-hater,
   man-hating, misanthrope, misanthropist, misogynist, misogynous,
   nonobjective, one-sided, opinionated, partial, partisan, pig,
   prejudiced, prepossessed, racist, superpatriot, superpatriotic,
   swayed, twisted, ultranationalist, undetached, undispassionate,
   unsociable, warped, woman-hater, woman-hating, xenophobic