UNFASTEN Meaning of UNFASTEN in English verbUnfasten is used with these nouns as the object: ↑ belt , ↑ buckle , ↑ button , ↑ catch , ↑ clip , ↑ handcuffs , ↑ harness , ↑ seat belt , ↑ strap Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012