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. adjective
    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
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    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
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  2. adjective
    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
Word Family
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