The word "tell off" in English means: To speak angrily or seriously to someone for doing something wrong, To scold or reprimand someone sharply and directly.
The phonetic transcription of "tell off" is /ˌtel ˈɒf/ in British English and /ˌtel ˈɔːf/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "tell off": reprimand, admonish, berate, chide, scold.
Example usage of "tell off": "My mom will tell me off if I don't clean my room.". More examples on the page.