efficient

US /ɪˈfɪʃənt/

UK /ɪˈfɪʃnt/

A2TOEIC
adj.AdjectiveAble to produce results without waste
The efficient student does her work right the first time
adj.AdjectiveCapable of producing desired results with little or no waste (of time, energy, or other resources).
She's an efficient worker who always gets the job done on time.
adj.AdjectiveWell-organized and productive; avoiding wasted time and effort.
An efficient office is a productive office.

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