fasten

[fas-uhn, fah-suhn] / ˈfæs ən, ˈfɑ sən /

VERB

make secure; join together

Synonyms

STRONGEST

adhere affix attach bolt glue nail screw solder tighten truss weld

STRONG

anchor band bar batten belt bind bond brace button catch cement chain cleave close cohere connect couple embed establish fix girth grip hitch hold hook implant infix jam knot lace leash link lock lodge moor mortise rivet rope seal set settle stick strengthen string tag tie unite wedge

WEAK

freeze to hitch on hook up make firm stay put tack on

Antonyms

STRONGEST

detach disconnect disjoin let go loose loosen release separate unfasten

STRONG

allow confuse destroy discourage displace dissuade divide forget free halt leave lose open permit refuse remove unfix unhitch unlace unlock unseal unsettle unstick untie

WEAK

unchain unlink

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At designer Rowen Rose, a large orange stone was used to fasten a green or yellow scarf to a matching sweater.

From Barron's • Jan. 20, 2026

Raise your tray tables and your reclining seats, and fasten your seat belts.

From Los Angeles Times • May 20, 2025

They fasten scarves on their visitors’ heads with a neat, pearl-topped pin.

From BBC • Oct. 3, 2024

During the turbulence, it said a pilot was heard calling out saying the fasten seat belt sign had been switched on.

From Seattle Times • May 29, 2024

When she got to the other side, she scrambled up a rock and picked off a leech that had managed to fasten onto her ankle.

From "A Girl Named Disaster" by Nancy Farmer

Vocabulary lists containing fasten

"A Universe of Stars"

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

"Core Curriculum: Introductory Craft Skills," Vocabulary from Module Four

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

And Then, Boom!

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!