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

We unfasten the screws on one of the exterior panels before entering the shipping container, which I am surprised to learn is actually a modular server cluster.

From Popular-Science

They also began to strip off their shirts and unfasten their vests.

From The Daily Beast

Ando put his hand out quickly behind him, seized the long roll tied in yellow cloth, and began to unfasten it.

From Project Gutenberg

Dick Harvey had fixed it beyond the skill of that skilful mechanician to unfasten.

From Project Gutenberg

Señor Rhodes will be pleased to unfasten those heavy chains to oblige the lady.

From Project Gutenberg

She laughed and called to Mumps to come and unfasten her veil.

From Project Gutenberg

He tried first with his own keys to unfasten the flap but the locks defied him.

From Project Gutenberg