efficient   (Sound)

The efficient has 2 Senses.

• efficient
• 効率的, 機能的, 能率的, 合理的
• being effective without wasting time or effort or expense; "an efficient production manager"; "efficient engines save gas"
• 時間または努力または実費を浪費することなく効果的であるさま

• efficient, effective
• 有効, 有能, 効果的, 効果のある
• 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"
• 目的を達成することができる