单词 | efficient |
释义 | efficient —efficiently, adv. /i fish"euhnt/, adj. 1. performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable: a reliable, efficient secretary. 2. satisfactory and economical to use: Our new air conditioner is more efficient than our old one. 3. producing an effect, as a cause; causative. 4. utilizing a particular commodity or product with maximum efficiency (usually used in combination): a fuel-efficient engine. [1350-1400; ME ( < MF) < L efficient- (s. of efficiens), equiv. to ef- EF- + fic-, comb. form of facere to make, DO1 + -ent- -ENT] Syn. 1. effectual. See effective. |
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