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Từ điển Oxford Learners Wordfinder Dictionary
efficient



adjective
1. being effective without wasting time or effort or expense (Freq. 7)
- an efficient production manager
- efficient engines save gas
Ant:
inefficient
Similar to:
businesslike, cost-efficient, cost-effective, economic, economical,
expeditious, high-octane, streamlined
See Also:
competent, effective, effectual, efficacious
Derivationally related forms:
efficiency
2. able to accomplish a purpose;
functioning effectively (Freq. 3)
- "people who will do nothing unless they get something out of it for themselves are often highly effective persons..."-G.B.Shaw
- effective personnel
- an efficient secretary
- the efficient cause of the revolution
Syn:
effective
Similar to:
competent
Derivationally related forms:
effect (for: effective), effectiveness (for: effective), effectivity (for: effective)

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