antithetical

antithetical
    adj 1: sharply contrasted in character or purpose; "practices
           entirely antithetical to her professed beliefs"; "hope is
           antithetic to despair" [syn: {antithetic},
           {antithetical}]
    

Antithetic \An`ti*thet"ic\, Antithetical \An`ti*thet"ic*al\, a.
   [Gr. ?.]
   Pertaining to antithesis, or opposition of words and
   sentiments; containing, or of the nature of, antithesis;
   contrasted.
   [1913 Webster]
    

72 Moby Thesaurus words for "antithetical":
      adversary, adversative, adverse, adversive, alien, antagonistic,
      anti, antipathetic, antipodal, antipodean, antithetic, antonymous,
      at cross-purposes, balancing, clashing, compensating, competitive,
      con, conflicting, confronting, contradictory, contradistinct,
      contrapositive, contrarious, contrary, contrasted, converse,
      counter, counterbalancing, counterpoised, countervailing, cross,
      dead against, disaccordant, discordant, discrepant, dissentient,
      enemy, eyeball to eyeball, eyeball-to-eyeball, facing, fractious,
      hostile, inconsistent, inimical, inverse, negative, noncooperative,
      obstinate, obverse, opponent, opposed, opposing, opposite,
      oppositional, oppositive, oppugnant, overthwart, perverse, polar,
      polaric, polarized, recalcitrant, refractory, repugnant, reverse,
      rival, squared off, uncooperative, unfavorable, unfriendly,
      unpropitious