unknot

[ uhn-not ]
/ ʌnˈnɒt /

verb (used with object), un·knot·ted, un·knot·ting.

to untie by or as if by undoing a knot: to unknot a tie.

Origin of unknot

First recorded in 1590–1600; un-2 + knot1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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