adj. 25B6; adjective
his inconsistent behaviour : ERRATIC, changeable, unpredictable, variable, varying, changing, changeful, inconstant, unstable, irregular, fluctuating, unsteady, unsettled, uneven; self-contradictory, contradictory, paradoxical; capricious, fickle, flighty, whimsical, unreliable, mercurial, volatile, blowing hot and cold, ever-changing, chameleon-like; informal up and down; technical labile.
he had done nothing inconsistent with his morality : INCOMPATIBLE WITH, conflicting with, in conflict with, at odds with, at variance with, differing from, contrary to, in opposition to, (diametrically) opposed to, irreconcilable with, out of keeping with, out of step with; antithetical to.