loosen
Pronunciation:
/ˈluːsn̩/verb
Definitions
To make loose.
Example: After the Thanksgiving meal, Bill loosened his belt.
Synonyms:easerelaxuntightenTo become loose.
Example: I noticed that my seatbelt had gradually loosened during the journey.
To disengage (a device that restrains).
Synonyms:undounfastenTo become unfastened or undone.