English noun: efficiency | |||
1. | efficiency the ratio of the output to the input of any system | ||
Broader (hypernym) | ratio | ||
Narrower (hyponym) | figure of merit | ||
2. | efficiency (cognition) skillfulness in avoiding wasted time and effort | ||
Samples | She did the work with great efficiency. | ||
Broader (hypernym) | skillfulness | ||
Narrower (hyponym) | economy | ||
Antonyms | inefficiency | ||