assiduously devotedly diligently doggedly enduringly faithfully forbearantly forbearingly indefatigably indulgently industriously insistently leniently loyally perseveringly persistently persistingly pertinaciously philosophically ploddingly relentlessly resolutely sedulously sloggingly stoically tenaciously tirelessly tolerantly unabatingly unfalteringly unflaggingly unflinchingly unintermittingly uninterruptedly unrelentingly unremittingly unrestingly unsleepingly unswervingly untiringly unwaveringly unwearyingly wearilessly