efficient Synonyms

effective able capable competent systematic skilled skillful proficient expert economical streamlined potent effectual cost-effective methodical orderly powerful adept productive expeditious systematical prompt self-sufficing talented there thoroughpaced slam-bang timesaving successful structured serviceable skilful resourceful reliable ready quick slick qualified puissant trim useful utile well-ordered well-qualified well-run energy-efficient optimized high-efficiency high-performing well-organized