WordNet (r) 3.0 (2006):

superpatriotic
    adj 1: fanatically patriotic [syn: chauvinistic, flag-
           waving(a), jingoistic, nationalistic,
           ultranationalistic, superpatriotic]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "superpatriotic":
   antiblack, biased, chauvinist, chauvinistic, civic, colored,
   doctrinaire, dogmatic, flag-waving, influenced, interested,
   jaundiced, jingoist, know-nothing, nationalistic, nonobjective,
   one-sided, opinionated, overpatriotic, partial, partisan,
   patriotic, prejudiced, prepossessed, public-spirited, racist,
   sexist, swayed, twisted, ultranationalist, undetached,
   undispassionate, warped, xenophobic