Synonyms of efficient

1 Syllable

apt, vet, prompt, shrewd, deft, tough, scotch

2 Syllables

handy, set-up, clever, potent, phenom, skilled, able, saving, fitted, slambang, slam-bang, prompter, skillful, valid, veter, expert, virtuous, ready

3 Syllables

structured, warhorse, adapted, pragmatic, vigorous, powerful, effectual, time-saving, penny-wise, work-saving, masterly, qualified, practical, valuable, forcible, practiced, proficient, takeover, talented, war-horse, capable, clean-living, prudential, dynamic, active, methodic, hardwearing, inerrant, take-charge, take-over, hard-driving, competent, useful

4 Syllables

well-ordered, productive, professional, infallible, accomplished, well-qualified, conducive, money-saving, serviceable, assistive, adequate, inerrable, profitable, apodictic, effective, disciplined, persuasive, timesaving, methodical, experienced, organized, convictive, systematic, expeditious, decisive, efficacious, economic, no-nonsense, self-sufficient, moneysaving, self-dependent, self-sufficing, self-supported, self-sustained, energetic

5 Syllables

businesslike, systematical, operative, undeceivable, utilitarian, well-organized, well-regulated, economical