efficiency

US /ɪˈfɪʃ.ən.si/

UK /ɪˈfɪʃ.ən.si/

1.

the state or quality of being efficient

:

•

The new system improved the efficiency of the production line.

•

We need to increase our energy efficiency.

:

effectiveness productivity competence

:

inefficiency wastefulness

:

efficient efficiently x-efficiency fuel-efficient