What is another word for becomes unfastened?
Pronunciation: [bɪkˌʌmz ʌnfˈasənd] (IPA) 
There are a multitude of synonyms for the phrase "becomes unfastened." Some of the most commonly used include "loosens," "unclips," "unsnaps," "unhooks," and "unzips." Other options include "undoes," "unties," "unlaces," and "unbuckles." Each of these terms encompasses a slightly different action, but they all refer to the same basic concept of something that was previously fastened or secured becoming undone or loosened. Choosing the most appropriate synonym will often depend on the context in which it is being used, as well as the specific item or mechanism that is becoming unfastened.
