unfasten

[ uhn-fas-uhn, -fah-suhn ]

verb (used with object)

1. to release from or as from fastenings; detach.
2. to undo or open (something fastened).

verb (used without object)

1. to become unfastened.

unfasten

/ ʌnˈfɑːsən /

verb

1. to undo, untie, or open or become undone, untied, or opened

Word History and Origins

Origin of unfasten¹

First recorded in 1175–1225, unfasten is from the Middle English word unfastnen. See un- ², fasten

Example Sentences

For 12 days, we shared every moment and, surrounded by the kind of beauty only a remote bay in the Pacific could afford, I felt something unfasten in my chest.

From Los Angeles Times

For 12 days, we shared every moment and, surrounded by the kind of beauty only a remote bay in the Pacific could afford, I felt something unfasten in my chest.

From Los Angeles Times

Katya had to unfasten her straps and climb up out of the cockpit to prove that she and her crew were ready for combat.

From Literature

What you do get is a scrupulously clear-eyed account of one person’s seduction by mind-altering narcotics, and the ugly fight to unfasten their grip.

From Washington Post

He does not know how to unfasten garters.

From New York Times