Efficiency
Efficiency (noun) /ɪˈfɪʃ.ənt.si/
the quality of doing something appropriately without wasting energy, time or money – competence – efficacy:
The main area of concern in this town is to develop new reliable methods for energy efficiency.
Parts of Speech
- Adjective: efficient
- Adverb: efficiently
Antonyms
incompetence, inefficiency