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efficient SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 139039 】 【意味】 "[形容詞] being effective without wasting time or effort or expense [例] an efficient production manager [例] efficient engines save gas [例] The new machine is more efficient. [例] The efficient workers finished the job in half the time. [例] He was efficient in his work. [意味] 効率的な, 能率的な, 機能的な, 合理的な, 無駄のない, 無駄の無い, 無駄がない ; [反意語] inefficient ; [類似語] cost-effective, economical, streamlined, businesslike, expeditious, cost-efficient, economic, high-octane ; [派生] efficiency ; [同義語群] 00839619-a [形容詞] able to accomplish a purpose; functioning effectively [例] people who will do nothing unless they get something out of it for themselves are often highly effective persons...-G.B.Shaw [例] effective personnel [例] an efficient secretary [例] the efficient cause of the revolution [意味] 有能な, 効率的な, 効果的な, 有効な, 有能の, 効果のある, 能率的な, 効率の ; [同義語] effective ; [類似語] competent ; [派生] effectiveness, effectivity, effectuate, set up, effect, effectualness, effectuality ; [同義語群] 00510644-a"