# tell on

> English word · Verb

## Definitions
1. To inform on, to rat out; to tell a person in authority that someone else has done something wrong.
2. To cause visible strain to.

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