Pronunciation

• (UK) IPA ^(key): /ɪˈfɪʃənt/Category:Entries with IPA pronunciation
• (US) (Canada) IPA ^(key): /əˈfɪʃənt/Category:Entries with IPA pronunciation

• Audio (US)

  (file)

  Category:Entries with audio pronunciation

Adjective

1. If something is efficient, it can do a lot but uses very little time, energy, money, etc.
   • Antonym: inefficient

   He wastes a lot of time talking, and isn't very efficient at work.

   Smaller cars are generally more fuel-efficient than big cars.