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untie

American  
[uhn-tahy] / ʌnˈtaɪ /

verb (used with object)

untied, untying

  1. to loose or unfasten (anything tied); let or set loose by undoing a knot.

  2. to undo the string or cords of.

  3. to undo, as a cord or a knot; unknot.

  4. to free from restraint.

  5. to resolve, as perplexities.

verb (used without object)

untied, untying

  1. to become untied.

untie British  
/ ʌnˈtaɪ /

verb

  1. to unfasten or free (a knot or something that is tied) or (of a knot or something that is tied) to become unfastened

  2. (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

Etymology

Origin of untie

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.