THESAURUS
disavow
abjure, assert the contrary, back down, back out, backwater, belie, climb down, contest, contradict, contravene, controvert, counter, crawfish out, cross, deny, disaffirm, disallow, disclaim, disown, disprove, dispute, eat crow, eat humble pie, forswear, gainsay, impugn, join issue upon, negate, negative, not accept, not admit, nullify, oppose, recant, refuse to admit, refute, renege, renounce, repudiate, retract, revoke, swallow, take back, take issue with, unsay, withdraw
ROGET THESAURUS
disavow
Negation
VB
deny, contradict, contravene, controvert, give denial to, gainsay, negative, shake the head, disown, disaffirm, disclaim,
disavow, recant, revoke, dispute, impugn, traverse, rebut, join issue upon, bring in question, call in question, give the lie in his throat, give one the lie in his throat, deny flatly, deny peremptorily, deny emphatically, deny absolutely, deny wholly, deny entirely, give the lie to, belie, repudiate, set aside, ignore, rebut, qualify, refuse, recuse.