nonbelief

refusal to accept something as true my nonbelief in UFO's should not be construed as an unshakable belief in their nonexistence—I'm just waiting for proof Synonyms incredulity, disbelief, unbeliefRelated Words discredit, distrust, doubt, mistrust, skepticism, suspicion, uncertainty; denial, rejection, repudiation, unfaithNear Antonyms acceptance, conviction, faith; trustAntonyms belief, credence, credit