efficient
Pronunciation
Adjective
A2 Elementary
Quick answer
Able to do something well without wasting time, effort, or resources.
Synonyms and antonyms
Synonyms
Antonyms
inefficient
wasteful
Test yourself
Which word fits the gap? "The new engine is far more _____ than the old model."
Answer: efficient
In your own words, what does "efficient" mean?
Able to do something well without wasting time, effort, or resources.
Learn next at A2
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