efficiency

word

/ɪˈfɪʃənsi/
i-FI-shuhn-see
/ɪfˈɪʃənsi/
i-FI-shuhn-see

Definition

The ability to do something well without wasting time, energy, or resources. It refers to working in the best possible way with the least waste.

Usage & Nuances

Commonly used in business, engineering, and daily tasks. Collocations: 'improve efficiency', 'energy efficiency'. Do not confuse with 'effectiveness'—'efficiency' is about doing things with minimal waste, not just achieving goals.

Example Sentences

We must improve our efficiency to save time.

basic

Her efficiency at organizing events always impresses me.

natural

If we want to cut costs, boosting efficiency is key.

natural

The new machine has better efficiency than the old one.

basic

Efficiency is important when working in a team.

basic

With practice, you'll notice your efficiency goes up a lot.

natural