# efficient vs efficiently

> English confusable word pair

## The two words

### efficient
*adjective · IPA /ɪˈfɪʃənt/ · frequency rank #3,484*
Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.

### efficiently
*adverb · frequency rank #9,739*
In an efficient manner.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/efficient-vs-efficiently