Synonyms of unfasten in English:

unfasten


See definition of unfasten

verb

1‘Ron unfastened his seat belt’

SYNONYMS

undo, open, detach, disconnect, remove, untie, unbutton, unzip, loose, loosen, free, separate, disengage, disjoin, uncouple, unwrap, unbind, unhook, unlace, unhitch, untether, unlock, unbolt

ANTONYMS

fasten, do something up, lock