B2nounworkbusiness
US/ɪˈfɪʃ.ən.si/
UK/ɪˈfɪʃ.ən.si/
the ability to do something well without wasting time, money or energy
In context
The new software has improved efficiency across the whole office.
Energy efficiency can lower your electricity bill every month.
Efficiency matters more than speed when you handle customers' money.
Words that go with efficiency
verb + noun
- improve efficiencyBetter training will improve efficiency in the kitchen.
- increase efficiencyAutomation helps factories increase efficiency.
noun + noun
- energy efficiencyEnergy efficiency is an important point when you buy a fridge.
- fuel efficiencySmall cars usually have better fuel efficiency.
adjective + noun
- greater efficiencyThe team now works with greater efficiency.
noun + preposition
- efficiency ofWe measured the efficiency of the new heating system.
Common mistakes
Incorrect:
This machine is very efficiency.Correct: This machine is very efficient.