un·​fas·​ten | \ ˌən-ˈfa-sᵊn How to pronounce unfasten (audio) \
unfastened; unfastening; unfastens

Definition of unfasten

transitive verb

: to make loose: such as
b : undo unfasten a button
c : detach unfasten a boat from its moorings

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Synonyms & Antonyms for unfasten



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Examples of unfasten in a Sentence

gently unfastened the strings of the baby's hood
Recent Examples on the Web And don't forget to unfasten buttons on shirt sleeves or collars as well. Jessica Bennett, Better Homes & Gardens, "7 Common Laundry Mistakes That Could Be Damaging Your Clothes," 28 Aug. 2020 At another point in the footage, a politician is seen taking off his jacket and then unfastening his tie and shirt collar in anticipation of becoming involved in the brawl. Greg Norman | Fox News, Fox News, "5 of the wildest parliament brawls," 28 Feb. 2020 Unfortunately, like the creature itself, the name deer tick has been tough to unfasten. Ted Levin, BostonGlobe.com, "9 myths about ticks and Lyme disease, debunked," 23 Aug. 2019 When the sides are pressed together, snaps form a seal, some of them harder to unfasten than others. Stephen Leahy, National Geographic, "This common plastic packaging is a recycling nightmare," 26 July 2019 For their Spring 2018 show, Eckhaus Latta cast artist Maia Ruth Lee, who strutted out in a snap-front cardigan dress unfastened at the center to reveal her pregnant belly. Maria Ward, Vogue, "Kirsten Dunst Confirms Her Pregnancy in the New Rodarte Lookbook," 30 Jan. 2018 At the ATM, Dinsmore unfastened her seatbelt, and took out $300 in cash. Chris Harris, PEOPLE.com, "S.C. College Student Recounts Harrowing Escape from Alleged Kidnappers: ‘I’m Going to Get Myself Out of This’," 4 Aug. 2017 But Tuesday’s show painted a different musical picture — one of a woman who long ago unfastened herself from the limitations of labels foisted upon her: Alternative. Michael James Rocha, sandiegouniontribune.com, "In concert, a richer Natalie Merchant emerges," 19 July 2017 Unfasten them from the back seat, pull them into the front and push them out your window, oldest ones first. Malia Wollan, New York Times, "How to Escape From a Car in Water," 14 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unfasten.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unfasten

14th century, in the meaning defined above

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Time Traveler for unfasten

Time Traveler

The first known use of unfasten was in the 14th century

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Cite this Entry

“Unfasten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfasten. Accessed 1 Dec. 2020.

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More Definitions for unfasten


How to pronounce unfasten (audio)

English Language Learners Definition of unfasten

: to make (something) loose


un·​fas·​ten | \ ˌən-ˈfa-sᵊn How to pronounce unfasten (audio) \
unfastened; unfastening

Kids Definition of unfasten

: to make or become loose He unfastened the buckle.

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