shiftless Antonyms

aggressively enterprising man activist activated untiring zealous workful vigorous tireless studious striver sedulous persevering peppy careerist unflagging aggressively enterprising human aggressive person active person as busy as a bee workaholic self-motivated on the trot hardworking busy as a beaver on the hop hard-working painstaking lively caring busy brisk attentive assiduous ambitious acumen active achiever ace abstinent careful concerned conscientious laborous keen interested industrious indefatigable fresh enthusiastic enterprising