efficient
[ ih-fish-uhnt ]
See synonyms for: efficientefficiently on Thesaurus.com
adjective
satisfactory and economical to use: Our new air conditioner is more efficient than our old one.
producing an effect, as a cause; causative.
utilizing a particular commodity or product with the least waste of resources or effort (usually used in combination): a fuel-efficient engine.
Origin of efficient
1Other words for efficient
Other words from efficient
- ef·fi·cient·ly, adverb
- non·ef·fi·cient, adjective
- qua·si-ef·fi·cient, adjective
- su·per·ef·fi·cient, adjective
- un·ef·fi·cient, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for efficient
efficient
/ (ɪˈfɪʃənt) /
adjective
functioning or producing effectively and with the least waste of effort; competent
philosophy producing a direct effect; causative
Origin of efficient
1C14: from Latin efficiēns effecting
Derived forms of efficient
- efficiently, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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