(adv.) In a persistent manner.

and night assiduously bec et ongles chronically committedly day after day decidedly decisively determinedly devotedly diligently doggedly earnestly enduringly faithfully firmly fixedly for an age for life for long frequently habitually hammer and tongs heart and soul hour after hour in all seriousness in earnest in good earnest indefatigably industriously inflexibly insistently interminably inveterately like a bulldog like a leech long long ago long since loyally month after month morning noon obstinately patiently perseveringly persistingly pertinaciously ploddingly protractedly purposefully recurringly regularly relentlessly repetitively resolutely resolvedly routinely sedulously seriously since time began sincerely singlemindedly sloggingly staunchly steadfastly steadily tenaciously the livelong day till doomsday time immemorial tirelessly tooth and nail unabatingly undyingly unendingly unfalteringly unflaggingly unflinchingly unintermittingly uninterruptedly unrelentingly unremittingly unrestingly unsleepingly unswervingly untiringly unwaveringly unwearyingly unyieldingly wearilessly wholeheartedly with a will with constancy with total dedication year after year