What is another word for un-fasten?
Pronunciation: [ˈʌnfˈasən] (IPA) 
Un-fasten, which means to undo or open, has several synonyms that can be used in contexts such as unzipping a jacket, unscrewing a lid, or untangling hair. Some of the most common synonyms for un-fasten include unclasp, unhook, unlatch, unbolt, unseal, and unbutton. Other alternative words include unlock, detach, release, disengage, unbind, and loosen. Each of these synonyms has its own unique tone and suitable context, but they all convey the same basic meaning of taking something apart or separating it from something else. In order to prevent repetition and variation in speech and writing, these synonyms for un-fasten can be useful.
