IPA: /rɪˈfæstən/
KK: /rɪˈfæstən/
To attach or secure something again after it has been loosened or undone.
Please refasten your seatbelt before the flight takes off.
Past: refastened
Past Participle: refastened
Refasten → It is formed from "re-" (meaning again) and "fasten" (from Old English "fæstan", meaning to make firm or secure). The word "refasten" means to make something secure again or to fasten it once more.
Think of 'fastening' something 'again' — 're-' means again, and 'fæstan' means to make firm.