Meaning of EFFICIENT in English

— 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 ( efficient- (s. of efficiens ), equiv. to ef- EF- + fic-, comb. form of facere to make, DO 1 + -ent- -ENT ]

Syn. 1. effectual. See effective .

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .