aggressive alive bold busy determined diligent dynamic eager energetic engaged enthusiastic forceful intense keen lively quick ready resolute alert daring fireball jumping pushing rapid sharp whiz agile animated assiduous brisk bustling chipper dashing dexterous enlivened enterprising eventful forcible fresh frisky high-spirited hyper industrious inventive nimble on the move perky persevering purposeful sprightly spry zealous careful conscientious earnest exacting scrupulous strenuous