The word "instantly" in English means: Immediately; without any delay., Happening or done in a very short amount of time..
The phonetic transcription of "instantly" is /ˈɪnstəntli/ in British English and /ˈɪnstəntli/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "instantly": immediately, directly, forthwith, promptly, straightaway, right away.
Example usage of "instantly": "He replied instantly to my message.". More examples on the page.