verb (used with object), un·tied, un·ty·ing.

to loose or unfasten (anything tied); let or set loose by undoing a knot.
to undo the string or cords of.
to undo, as a cord or a knot; unknot.
to free from restraint.
to resolve, as perplexities.

verb (used without object), un·tied, un·ty·ing.

to become untied.

Nearby words

  1. unthought-of,
  2. unthread,
  3. unthrifty,
  4. unthrone,
  5. untidy,
  6. until,
  7. untimely,
  8. untimeous,
  9. untinged,
  10. untiring

Origin of untie

before 1000; Middle English untyen, Old English untīegan. See un-2, tie

Can be confusedunite untie

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for untie

British Dictionary definitions for untie


verb -ties, -tying or -tied

to unfasten or free (a knot or something that is tied) or (of a knot or something that is tied) to become unfastened
(tr) to free from constraint or restriction
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 untie



Old English untiegan, from un- (2) + tie (v.). Related: Untied; untying.

Online Etymology Dictionary, © 2010 Douglas Harper