Dictionary.com

unfasten

[ uhn-fas-uhn, -fah-suhn ]
/ ʌnˈfæs ən, -ˈfɑ sən /
Save This Word!

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.

QUIZZES

QUIZ YOURSELF ON THE MANY TYPES OF NOUNS

They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of unfasten

First recorded in 1175–1225, unfasten is from the Middle English word unfastnen.See un-2, fasten
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for unfasten

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
FEEDBACK