The word "swiftly" in English means: Quickly; at a fast speed., Promptly; without delay..
The phonetic transcription of "swiftly" is /ˈswɪft.li/ in British English and /ˈswɪft.li/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "swiftly": promptly.
Example usage of "swiftly": "The deer ran swiftly through the forest.". More examples on the page.