verb (used with object)

to draw out or take out the thread from: to unthread a sewing machine.
to thread one's way through or out of, as a densely wooded forest.
to disentangle; separate out of a raveled or confused condition: to unthread a mystery.

Origin of unthread

First recorded in 1585–95; un-2 + thread
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of unthread

British Dictionary definitions for unthread


verb (tr)

to draw out the thread or threads from (a needle, etc)
to disentangle
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