disaffirm

from The Collaborative International Dictionary of English v.0.48
Disaffirm \Dis`af*firm"\, v. t.
   1. To assert the contrary of; to contradict; to deny; -- said
      of that which has been asserted.
      [1913 Webster]

   2. (Law) To refuse to confirm; to annul, as a judicial
      decision, by a contrary judgment of a superior tribunal.
      [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
36 Moby Thesaurus words for "disaffirm":
      abjure, assert the contrary, belie, contest, contradict,
      contravene, controvert, counter, cross, deny, disallow, disavow,
      disclaim, disown, disprove, dispute, forswear, gainsay, impugn,
      join issue upon, negate, negative, not accept, not admit, nullify,
      oppose, recant, refuse to admit, refute, renounce, repudiate,
      retract, revoke, take back, take issue with, traverse
antiflux / dictionary / disaffirm
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