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      efficiency
      noun
      The extent to which a resource is used for the intended purpose.
      The extent to which time is well used for the intended task.
      (engineering, physics) The ratio of useful work to energy expended. Often given the symbol η.
      (US) A one-room apartment.
      (dated) The quality of producing an effect or effects.
      Roots
      faciofic- · Latin · make, do
      Synonyms for efficiency
      effectivenessnefficacynefficientadjefficaciousnessnproductivitynusefulnessnprofitabilitynoperabilitynpracticalitynpracticabilitynpotencynserviceabilitynusabilitynutilityn
      Words related to efficiency
      effectivityneffectualnessneffectualitynproductivenessninefficiencynreliabilitynmaximizingadjoptimizingvmaximizationnmaximizedvdependabilityndependablenessnpromptnessnstreamliningveffectuatevmaximizesvefficientlyadvsustainabilitynoptimizationnutilizationnmanageabilityneconomizationndurabilityneffectiveadjoptimizedvreliablenessn

      Synonyms & related words for efficiency

      Find synonyms, related words, and the definition of efficiency — including effectiveness, efficacy, efficient, efficaciousness, productivity, usefulness. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

      Words related to efficiency

      Explore words related to efficiency — words associated with it, words that go with it, and its nearest matches in meaning. Related words include effectivity, effectualness, effectuality, productiveness, inefficiency, reliability, maximizing, optimizing. Click any word to make it the center of the map and keep exploring the web of connections.

      Synonyms for efficiency

      Common synonyms for efficiency include effectiveness, efficacy, efficient, efficaciousness, productivity, usefulness, profitability, operability — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

      Where does efficiency come from?

      The word efficiency breaks down into one root of Latin origin: the root fic-, from Latin facio (“make, do”). Explore each root to see other English words built from the same source.

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