unfasten

[uhn-fas-uh n, -fah-suh n]

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.

Nearby words

  1. unfaithful,
  2. unfaltering,
  3. unfamiliar,
  4. unfancied,
  5. unfashionable,
  6. unfathered,
  7. unfathomable,
  8. unfathomed,
  9. unfavorable,
  10. unfavourable

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. 2019

Examples from the Web for unfasten


British Dictionary definitions for unfasten

unfasten

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

Word Origin and History for unfasten

unfasten

v.

early 13c., from un- (2) + fasten. Related: Unfastened; unfastening.

Online Etymology Dictionary, © 2010 Douglas Harper