abnormality, agree to disagree, anomaly, be at cross-purposes, break, break off, clash, collide, conflict, contradict, counter, differ, disaccord, disagree, dissent, impropriety, inadmissibility, inapplicability, inappositeness, inappropriateness, inaptitude, inaptness, infelicity, irrelevance, irrelevancy, jangle, jar, jostle, maladjustment, mesalliance, misalliance, misjoinder, misjoining, mismate, negate, object, uncongeniality, unfitness, unsuitability, vary