efficient

adjective

1 efficient managerial techniques:

well organized, methodical, systematic, structured, well planned, logical, coherent, well regulated, well run, well ordered, orderly, businesslike, systematized, streamlined, productive, effective, labour-saving, cost-effective, energy-efficient, energy-saving, fuel-efficient.

▷antonyms inefficient; disorganized.

2 a most efficient young secretary:

competent, capable, able, proficient, adept, deft, expert, professional, skilful, skilled, effective, productive, organized, workmanlike, businesslike;

French rangé.

▷antonyms inefficient; incompetent.

easily confused words	efficient or effective?
See effective.

choose the right word	efficient, competent, capable, able
See competent.

efficient Oxford Dictionary of English