# mouth breather

> English word · Noun

## Definitions
1. A person who routinely inhales and exhales through the mouth, instead of through the nose.
2. A person who is boorish, stupid, or otherwise unattractive.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/mouth-breather