unfasten

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

See synonyms for: unfasten unfastened on Thesaurus.com

verb (used with object)

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

verb (used without object)

to become unfastened.

Origin of unfasten

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

Words Nearby unfasten

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use unfasten in a sentence

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.
Inside the physical footprint of the Cloud | Steven Gonzales Monserrate/The MIT Press Reader | February 14, 2022 | Popular-Science
They also began to strip off their shirts and unfasten their vests.
The Fourth War: My Lunch with a Jihadi | Elliot Ackerman | January 21, 2014 | THE DAILY BEAST
Ando put his hand out quickly behind him, seized the long roll tied in yellow cloth, and began to unfasten it.
The Dragon Painter | Mary McNeil Fenollosa
Dick Harvey had fixed it beyond the skill of that skilful mechanician to unfasten.
Jack Harkaway's Boy Tinker Among The Turks | Bracebridge Hemyng
Señor Rhodes will be pleased to unfasten those heavy chains to oblige the lady.
The Treasure Trail | Marah Ellis Ryan

She laughed and called to Mumps to come and unfasten her veil.
The Child of Pleasure | Gabriele D'Annunzio
He tried first with his own keys to unfasten the flap but the locks defied him.
The Daffodil Mystery | Edgar Wallace

British Dictionary definitions for unfasten

unfasten

/ (ʌnˈfɑːsən) /

verb

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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