efficient

From Wiktionary

Pronunciation[change]

Adjective[change]

Positive
efficient

Comparative
more efficient

Superlative
most efficient

  1. If something is efficient, it can do a lot but uses very little time, energy, money, etc.
    He wastes a lot of time talking, and isn't very efficient at work.
    Smaller cars are generally more fuel-efficient than big cars.

Antonyms[change]

Related words[change]