Synonyms to shake the head

negate, abate, abnegate, abolish, abrogate, agree to disagree, annihilate, annul, be at cross-purposes, be contrary to, be unmoved, be unwilling, beg off, belie, blow sky-high, blow up, break, break off, bring to naught, bring to nothing, buffer, call into question, cancel, cancel out, challenge, clash, collide, come to nothing, conflict, contest, contradict, contravene, controvert, counter, counteract, counterbalance, countercheck, cross, decline, decline to accept, deflate, deny, differ, disaccord, disaffirm, disagree, disallow, disbelieve, disclaim, disconfirm, discredit, disprove, dissent, explode, expose, frustrate, gag on, gainsay, hold out against, impugn, invalidate, jangle, jar, jostle, misbelieve, mismatch, mismate, negativate, negative, neutralize, not admit, not believe, not buy, not consent, not hear of, not swallow, not think of, nullify, object, offset, oppugn, prove the contrary, puncture, quash, rebut, redress, refuse, refuse consent, refuse to admit, refuse to credit, reject, repeal, repudiate, resist entreaty, resist persuasion, revoke, say nay, say no, show up, stand aloo