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

"At first, I thought I was going to die. I managed to open my eyes, unfastened my seat belt and tried to exit the plane."

From BBC

But the giant birds will be unfastened from the ceiling on Friday to make way for a new mystery exhibit, airport authorities said.

From BBC

Kondo brought garments to life, like kites in the sky with voluminous silhouettes created by fastening and unfastening buttons.

From Seattle Times

An old friend used to call these neither-here-nor-there realms the “zero world” for the way they feel unfastened from reality, parallel to daily life but separate.

From New York Times

Gloria unfastens her helmet, hangs it on her handlebar, and sighs.

From Literature