WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. efficient (vs. inefficient), businesslike, cost-efficient, cost-effective, economic, economical, expeditious, high-octane, streamlined, competent, effective#1, effectual#1, efficacious
- usage: being effective without wasting time or effort or expense; "an efficient production manager"; "efficient engines save gas"
- 2. effective, efficient, competent (vs. incompetent)
- usage: able to accomplish a purpose; functioning effectively; "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"
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See also: efficient (Dictionary)