Fasten

//ˈfɑːsn̩// verb

verb ·Common ·High school level

Definitions

Verb
  1. 1
    To attach or connect in a secure manner. ambitransitive

    "The sailor fastened the boat to the dock with a half-hitch."

  2. 2
    make tight or tighter wordnet
  3. 3
    To cause to take close effect; to make to tell; to land.

    "to fasten a blow"

  4. 4
    attach to wordnet
  5. 5
    cause to be firmly attached wordnet
Show 1 more definition
  1. 6
    become fixed or fastened wordnet

Synonyms

All synonyms
attachbindcatchconnectjoinsecure

Example

More examples

"As the plane was approaching turbulence, the pilot asked the passengers aboard the plane to fasten their seat belts."

Etymology

From Middle English fastenen, from Old English fæstnian, from Proto-West Germanic *fastinōn (“to secure, fasten”). Equivalent to fast + -en.

Related phrases

fasten downfasten up

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.