The word "fasten" in English means: To close or join something together., To attach or connect something firmly..
The phonetic transcription of "fasten" is /ˈfɑː.sən/ in British English and /ˈfæs.ən/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "fasten": attach, secure, connect, fix.
Example usage of "fasten": "Fasten your seatbelts before the plane takes off.". More examples on the page.