US: /ɪˈfɪʃənt/
UK: /ɪfˈɪʃənt/

English Vietnamese dictionary

efficient /i'fiʃənt/
  • tính từ
    • có hiệu lực, có hiệu quả
    • có năng lực, có khả năng
    • có năng suất cao, có hiệu suất cao (máy...)

Advanced English dictionary

+ adjective
doing sth well and thoroughly with no waste of time, money, or energy: an efficient secretary / teacher / manager + efficient heating equipment + the efficient use of energy + We offer a fast, friendly and efficient service. + As we get older, our bodies become less efficient at burning up calories. + fuel-efficient cars (= that do not use much fuel)
efficiently adverb: a very efficiently organized event

Thesaurus dictionary

unwasteful, economic, thrifty; effective, efficacious, effectual, competent, productive, proficient, operative:
The technique for producing electrical power from tidal action has not yet proved efficient.

Collocation dictionary


appear, be, look, seem, sound | become | make sth


extremely, highly, really, remarkably, very | fully, perfectly
The procedure is not fully efficient: improvements could be made. We already have a perfectly efficient system?why change it?
| increasingly | fairly, pretty, quite, reasonably, relatively | briskly, quietly
The receptionist was briskly efficient. A quietly efficient manservant brought them coffee and brandy.
| formidably, incredibly, superbly, supremely
His secretary was formidably efficient: her minutes were works of art.
| economically, mechanically, technically


Their equipment was not as efficient at finding gold as today's machinery.
| in
The heating system is very efficient in its use of of fuel.

Concise English dictionary

+being effective without wasting time or effort or expense
+able to accomplish a purpose; functioning effectively