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Related to impugn: Impune, gainsaid
impugnverb assail, assail by argument, attack, attack by words, be skeptical, call in question, cast doubt, cast reelection upon, challenge as false, confute, contest, contradict, controvert, criticize, denounce, disbelieve, discredit, dispute, doubt the truth of, find fault with, impeach, improbare, impugnare, inveigh against, involve in suspicion, negate, oppose, oppose as false, oppugnare, overcome by argument, query, question, raise a hue and cry against, raise a question as to, raise one's voice against, raise questions, rebut, refuse credence, refute, render suspect, take issue with, throw doubt upon, undermine one's belief
Associated concepts: defamation, impugn the integrity of a witness
See also: answer, attack, bear false witness, blame, brand, censure, condemn, contend, contest, contradict, contravene, criticize, demonstrate, denounce, deprecate, disaccord, disallow, disapprove, disown, dispute, doubt, except, fault, gainsay, impeach, inveigh, lash, malign, negate, object, oppose, protest, refute, reject, reply, reprehend, reprimand, resist, sully