# cold as a mackerel

> English word · Adjective

## Definitions
1. Very cold (in temperature, emotionally, etc.).
2. Completely unconscious.

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