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 | ||