fasten

word

/ˈfæsən/
FA-suhn
/fˈɑːsən/
FAH-suhn

Definition

To attach or close something securely, often by using buttons, zippers, buckles, or other devices.

Usage & Nuances

Mostly used for physical attachment (clothes, seatbelts, lids). Collocates: 'fasten your seatbelt', 'fasten a button'. More formal and specific than 'close' or 'attach'. Common confusion with 'fix' (repair), which is different.

Example Sentences

Make sure to fasten your helmet before you ride.

natural

Could you fasten the strap a little tighter?

natural

He forgot to fasten his shoelaces and tripped.

natural

Please fasten your seatbelt before takeoff.

basic

Can you help me fasten this button?

basic

She fastened the lid tightly.

basic