pertinaciously

adamantly decisively doggedly persistently resolutely staunchly steadfastly strictly stubbornly tenaciously

unwaveringly

constantly indefatigably intently obdurately obstinately perseveringly purposefully stolidly through thick and thin unchangeably with heavy hand

changeably flexibly indefinitely movably waveringly weakly

mulishly obdurately

bullheadedly contumaciously determinedly doggedly firmly fixedly headstrongly indomitably inflexibly intractably opinionatedly persistently pigheadedly recalcitrantly resistantly resolutely resolvedly staunchly steadfastly stolidly tenaciously unamenably unflinchingly unimpressibly unreasonably unreasoningly unrelentingly unwaveringly unyieldingly willfully

docilely graciously obediently