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English to English adjective
| 1 |
being effective without wasting time or effort or expense |  | Example: an efficient production manager
efficient engines save gas
source: wordnet30
| 2 |
Causing effects; producing results; that makes the effect to be what it is; actively operative; not inactive, slack, or incapable; characterized by energetic and useful activity; as, an efficient officer, power. | | source: webster1913 adjective satellite
| 3 |
able to accomplish a purpose; functioning effectively | | Example: people who will do nothing unless they get something out of it for themselves are often highly effective persons...
effective personnel
an efficient secretary
the efficient cause of the revolution
source: wordnet30 noun
| 4 |
An efficient cause; a prime mover. | | source: webster1913
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