being effective without wasting time or effort or expense; "an efficient production manager"; "efficient engines save gas"
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" 同义词:effective,
其他语种释义
efficientとは意味:efficient adj. 効果がある. 【副詞】 ◆a cooly efficient commodities trader 沈着にてきぱき事を運ぶ商品の取引業者 ◆to be fully efficient 十分に効果を出すには ◆The new engine makes highly efficient use of this principle . その新エンジンはこの原理をきわめて有効...