# cat that ate the canary

> English word · Noun

## Definitions
1. A person who appears self-satisfied or smug, especially while concealing something mischievous, prohibited, or private.
2. A person whose appearance and behavior suggest guilt mixed with other qualities, such as satisfaction or feigned nonchalance.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cat-that-ate-the-canary