efficient

word

/ɪˈfɪʃənt/
i-FISH-uhnt
/ɪfˈɪʃənt/
i-FISH-uhnt

Definition

If someone or something is efficient, they work well and quickly without wasting time, energy, or resources.

Usage & Nuances

Often used for people, machines, or systems that save time and resources. 'Efficient' is positive; don't confuse with 'effective' (successful in producing a result, but not always quick or resource-saving). Common collocations: 'efficient system', 'efficient worker', 'energy efficient'.

Example Sentences

Solar panels are efficient at saving energy.

basic

He finished the task in half the time because he's so efficient.

natural

Our company's new system is much more efficient than the old one.

natural

I love how efficient this app is—everything loads instantly!

natural

She is an efficient employee.

basic

This new washing machine is very efficient.

basic