fasten

verb B1

Meaning

To fasten something means to attach or secure it so that it stays in place.
💡 A common mistake is to confuse "fasten" with "fasten up," which is not standard English.

Example Sentences

Can you fasten your seatbelt before the car starts ?
Please do not fasten your seatbelt until the car stops .
Please fasten your seatbelt before the car starts moving .

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