unthread

verb

un·​thread ˌən-ˈthred How to pronounce unthread (audio)
unthreaded; unthreading; unthreads

transitive verb

1
: to draw or take out a thread from
unthread a needle
2
: to loosen the threads or connections of
3
: to make one's way through
unthread a maze

Examples of unthread in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Use the valve-core remover to unthread the core counterclockwise, then remove it and set it aside. Joe Lindsey, Outside Online, 28 July 2020

Word History

First Known Use

1597, in the meaning defined at sense 1

Time Traveler
The first known use of unthread was in 1597

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Cite this Entry

“Unthread.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unthread. Accessed 7 Sep. 2025.

Kids Definition

unthread

verb
un·​thread ˌən-ˈthred How to pronounce unthread (audio)
ˈən-
1
: to draw or take out a thread from
2
: to loosen the threads or connections of
3
: to make one's way through
unthread a maze

More from Merriam-Webster on unthread

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