adjective ef·fi·cient \i-ˈfi-shənt\

: capable of producing desired results without wasting materials, time, or energy

Full Definition of EFFICIENT

:  being or involving the immediate agent in producing an effect <the efficient action of heat in changing water to steam>
:  productive of desired effects; especially :  productive without waste <an efficient worker>
ef·fi·cient·ly adverb

Examples of EFFICIENT

  1. Like a page-turner of a novel, [Nomar] Garciaparra keeps you eager to see what comes next, especially this season, when he will have the most efficient RBI machine in baseball, free-agent signee Manny Ramirez, riding shotgun with him. —Tom Verducci, Sports Illustrated, 5 Mar. 2001


Middle English, from Middle French or Latin; Middle French, from Latin efficient-, efficiens, from present participle of efficere
First Known Use: 14th century

Synonym Discussion of EFFICIENT

effective, effectual, efficient, efficacious mean producing or capable of producing a result. effective stresses the actual production of or the power to produce an effect <an effective rebuttal>. effectual suggests the accomplishment of a desired result especially as viewed after the fact <the measures to stop the pilfering proved effectual>. efficient suggests an acting or a potential for action or use in such a way as to avoid loss or waste of energy in effecting, producing, or functioning <an efficient small car>. efficacious suggests possession of a special quality or virtue that gives effective power <a detergent that is efficacious in removing grease>.

Rhymes with EFFICIENT

EFFICIENT Defined for Kids


adjective ef·fi·cient \i-ˈfi-shənt\

Definition of EFFICIENT for Kids

:  capable of bringing about a desired result with little waste (as of time or energy) <an efficient worker>
ef·fi·cient·ly adverb


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