inflexibly Synonyms

determinedly intractably indomitably unalterably contumaciously bullheadedly stubbornly obstinately obdurately intransigently opinionatedly uncompromisingly unbendingly tenaciously rigorously recalcitrantly pigheadedly unyieldingly pertinaciously mulishly bureaucratically persistently impenitently immovably hardly fixedly firmly dogmatically doggedly prescriptively resolutely adamantly unchangeably toughly strictly stiffly staunchly rigidly resolvedly unwaveringly