efficient

The adjective efficient describes function and use with the least amount of waste and most economy.

When you want to define the adjective efficient, it's a good idea to say as much as you can in as few words as possible because to be efficient is to be economical and avoid waste in actions or uses. The word comes from the Latin efficientem which means "work out" or "accomplish." Synonyms of efficient are effective, productive, and competent.

Definitions of efficient
1

adj being effective without wasting time or effort or expense

“an efficient production manager”
efficient engines save gas”
Synonyms:
competent
properly or sufficiently qualified or capable or efficient
effective, effectual, efficacious
producing or capable of producing an intended result or having a striking effect
businesslike
exhibiting methodical and systematic characteristics that would be useful in business
cost-effective, cost-efficient
productive relative to the cost
economic, economical
using the minimum of time or resources necessary for effectiveness
expeditious
marked by speed and efficiency
high-octane
used of gasoline; having a high octane number
streamlined
made efficient by stripping off nonessentials
Antonyms:
inefficient
not producing desired results; wasteful
incompetent
not qualified or suited for a purpose
ineffective, ineffectual, uneffective
not producing an intended effect
uneconomical, wasteful
inefficient in use of time and effort and materials
show more antonyms...

adj able to accomplish a purpose; functioning effectively

“an efficient secretary”
“the efficient cause of the revolution”
Synonyms:
effective
competent
properly or sufficiently qualified or capable or efficient

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