persevering Synonyms

diligent unsleeping unwearied unrelenting unflinching tireless tenacious stubborn strong-minded stiff-necked steady steadfast staunch single-minded sedulous resolved weariless zealous unwearying unfaltering unchallengeable rock-ribbed hardworking strong-willed on the go hard-working unswerving unflagging unwavering undeviating unyielding untiring resolute relentless pushing enthusiastic energetic enduring endurant earnest dogged determined continuing constant conscionable conscientious committed bullheaded assiduous firm