fasten (B1)

verb

Pronunciation: /ˈfɑː.sən/

Definition

To close or attach something firmly, or to become firmly closed or attached.

Examples

• Please fasten your shoelaces before you trip.

• He fastened the button on his coat.

• The seatbelt should be fastened tightly.

How to Use fasten

fasten onto (phrasal verb)

To grasp or hold onto something tightly. — "The monkey fastened onto the branch with its strong arms."

fasten up (phrasal verb)

To close or secure something completely. — "Fasten up your coat; it's cold outside."

Synonyms of fasten

Words with a similar meaning to fasten:

• attach
• secure
• affix
• bind

Antonyms of fasten

Words with the opposite meaning to fasten:

• unfasten
• release
• detach

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