# improper vs improperly

> English confusable word pair

## The two words

### improper
*adjective · IPA /ɪmˈpɹɒp.ə/ · frequency rank #13,366*
Unsuitable to needs or circumstances; inappropriate; inapt.

### improperly
*adverb · IPA /ɪmˈpɹɑ.pɚ.li/ · frequency rank #18,346*
In an improper manner; not properly.

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