fastenverb
uk/ˈfɑː.sən/us/ˈfæs.ən/B1 [ I or T ] to (cause something to) become firmly fixed together, or in position, or closed:
Make sure your seat belt is securely fastened.
This shirt fastens at the back.
fasten sth on, together, etc.
B2 to fix one thing to another:
I fastened the sticker to the windscreen.
More examples
- Are the children safely fastened into their car seats?
- She fastened her belt tightly around her waist.
- The door was securely fastened.
- To keep the helmet in position, fasten the strap beneath the chin.
- Could you help me fasten this strap around my suitcase?
Thesaurus: synonyms and related words
Fastening and tying
- attach
- be locked together idiom
- board sth up
- bolt
- bound
- bow 1
- buckle
- buckle up
- ligature
- mount
- nail
- put sth up
- reef knot
- rivet
- rope
- screw
- tie
- truss
- tying
- yoke
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Phrasal verb(s)
fasten on/upon sth