stolidly

adamantly decisively doggedly persistently resolutely staunchly steadfastly strictly stubbornly tenaciously

unwaveringly

constantly indefatigably intently obdurately obstinately perseveringly pertinaciously purposefully 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 pertinaciously pigheadedly recalcitrantly resistantly resolutely resolvedly staunchly steadfastly tenaciously unamenably unflinchingly unimpressibly unreasonably unreasoningly unrelentingly unwaveringly unyieldingly willfully

docilely graciously obediently