tell on

phrasal verb
told on; telling on; tells on

Definition of tell on

1 informal : to tell someone in authority about the bad behavior or actions of (someone else) Please don't tell on me.
2 : to have a noticeable effect on (someone or something) The stress began to tell on her face/health.

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Dictionary Entries Near tell on

tell off

tell on

tell right from wrong

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Cite this Entry

“Tell on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tell%20on. Accessed 6 Dec. 2021.

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