verb ·Uncommon ·Advanced level

Definitions

Verb

1. 1
   simple past and past participle of fasten form-of, participle, past

Adjective

1. 1
   fastened with strings or cords wordnet
2. 2
   furnished or closed with buttons or something buttonlike wordnet
3. 3
   firmly closed or secured wordnet

Synonyms

All synonyms

tiedagroundanchoredbondedboundbuttoned

Antonyms

All antonyms

unfastened

Example

More examples

"Please make certain your seat belt is fastened."

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