peremptory Synonyms

autocratic decisive magisterial positive dominating bossy authoritative absolute high-and-mighty arbitrary imperative lordly irrevocable irreversible insistent haughty inflexible inappealable high-handed imperious mandatory masterful positivistic highhanded authoritarian chesty tyrannical summary stringent overweening overbearing oppressive opinionated obligatory firm final contemptuous conclusive compulsory commanding coercive certain categorical brusque binding abrupt asseverative assertive decided decretal