Efficient
/əˈfɪʃənt/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:17 ptsWWF:19 pts9 letters
Definition of Efficient
adjective
- 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."
- Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful output to total input
"The motor is only 20% efficient at that temperature."
- Causing effects, producing results; bringing into being; initiating change (rare except in philosophical and legal expression efficient cause = causative factor or agent)
"Ownership, maintenance, or use of the automobile need not be the direct and efficient cause of the injury sustained"
- (old use) effective
Anagrams of Efficient
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49 words can be made from the letters in "efficient":
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Synonyms & Antonyms
ANTONYMS
inefficient