← 単語を見るに戻るefficientadjective#6,651訳語効率的こうりつてき能率的のうりつてき有能ゆうのう無駄のないむだのない英語の定義being effective without wasting time or effort or expense例文Can you guess which cooler is the most efficient?This computer is powerful, efficient, and easy to use.似ている単語efficientlyefficiencyinefficientcoefficientefficienciessufficient← orderingoutrageous →