The word "terribly" in English means: Very badly or poorly., Extremely or very much..
The phonetic transcription of "terribly" is /ˈter.ə.bli/ in British English and /ˈter.ə.bli/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "terribly": extremely, very much.
Example usage of "terribly": "I slept terribly last night, I couldn't fall asleep for hours". More examples on the page.