# bad taste in one's mouth

> English word · Noun

## Definitions
1. A feeling that something is morally despicable as to cause nausea.
2. A feeling of guilt, responsibility, or embarrassment as to cause nausea.
3. A feeling of disappointment and frustration.

## Etymology
Refers to the feeling of nausea or its aftereffects.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bad-taste-in-one-s-mouth