# be cool

> English word · Interjection

## Definitions
1. Used to implore someone to not reveal illegal or improper activity.
2. Used to remonstrate someone for being (inadvertently) awkward, nerdy, geeky, or embarrassing.

## Etymology
From be + cool.

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