Efficient meaning

ĭ-fĭshənt
The definition of efficient is being productive with minimal effort.

An example of efficient is a car that gets 60 miles to a gallon of gas.

adjective
21
16
Acting or producing effectively with a minimum of waste, expense, or unnecessary effort.

An efficient builder; an efficient factory.

adjective
9
9
Working or operating efficiently with regard to; making efficient use of.

Cost-efficient, energy-efficient.

affix
9
16
Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.

An efficient process would automate all the routine work.

Our cleaners are almost too efficient: they throw away anything left out on a desk.

adjective
8
14
Causing less waste or requiring less effort than comparable devices or methods. Used in combination.

Energy-efficient wind turbines; cost-efficient health care.

adjective
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Producing a desired effect, product, etc. with a minimum of effort, expense, or waste; working well.
adjective
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2
Acting directly to produce an effect.

The efficient cause of the revolution.

adjective
1
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Using a particular proportion of available energy.

The motor is only 20% efficient at that temperature.

adjective
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2
Causing effects; producing results.
adjective
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4

Origin of efficient

  • Middle English from Old French from Latin efficiēns efficient- present participle of efficere to effect effect

    From American Heritage Dictionary of the English Language, 5th Edition

  • 1398, "making," from Old French, from Latin efficientem (nominative efficiens), preposition of efficere "work out, accomplish" (see effect). Meaning "productive, skilled" is from 1787. Efficiency apartment is first recorded 1930, American English.

    From Wiktionary