perseverant Synonyms

assiduous resolute sedulous single-minded steadfast steady stubborn tenacious tireless unfailing unrelenting unremitting untiring unyielding unwavering unflagging unswerving unfaltering relentless pertinacious persistent bound constant continual determined diligent dogged earnest emphatic enduring firm fixed immovable indefatigable insistent obstinate persevering persisting bulldogged