unfasten

verb
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

Synonyms & Antonyms for unfasten

Synonyms

Antonyms

Visit the Thesaurus for More 

Examples of unfasten in a Sentence

gently unfastened the strings of the baby's hood
Recent Examples on the Web This could be made more practical by using some sort of quick-release mechanism rather than having to unfasten the whole watch strap. Paul Monckton, Forbes, 1 June 2022 Passengers must also be able to fasten and unfasten their seat harness in less than 15 seconds, spend up to an hour and a half strapped into the capsule with the hatch closed, and withstand up to 5.5G in force during descent. Jackie Wattles, CNN, 15 July 2021 Passengers must also be able to fasten and unfasten their seat harness in less than 15 seconds, spend up to an hour and a half strapped into the capsule with the hatch closed, and withstand up to 5.5G in force during descent. Jackie Wattles, CNN, 15 July 2021 Passengers must also be able to fasten and unfasten their seat harness in less than 15 seconds, spend up to an hour and a half strapped into the capsule with the hatch closed, and withstand up to 5.5G in force during descent. Jackie Wattles, CNN, 15 July 2021 To change their configuration, simply unfasten the straps' metal buttons, thread them through the bag's loops as desired, and button them back up. Tess Garcia, Travel + Leisure, 22 July 2021 Passengers must also be able to fasten and unfasten their seat harness in less than 15 seconds, spend up to an hour and a half strapped into the capsule with the hatch closed, and withstand up to 5.5G in force during descent. Jackie Wattles, CNN, 15 July 2021 He was stuck behind the steering wheel of his truck, unable to unfasten his seat belt. John Kessler, ajc, 23 June 2021 The microscopes are too rare, too fragile, and too historically important to just unfasten and remove the lenses, so Cocquyt and colleagues had to find a nondestructive way to get a closer look. Kiona N. Smith, Forbes, 15 May 2021 See More

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.

First Known Use of unfasten

14th century, in the meaning defined above

Learn More About unfasten

Time Traveler for unfasten

Time Traveler

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

See more words from the same century

Dictionary Entries Near unfasten

unfashioned

unfasten

unfastidious

See More Nearby Entries 

Statistics for unfasten

Last Updated

20 Jun 2022

Cite this Entry

“Unfasten.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfasten. Accessed 2 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for unfasten

unfasten

verb
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.

More from Merriam-Webster on unfasten

Nglish: Translation of unfasten for Spanish Speakers

Britannica English: Translation of unfasten for Arabic Speakers

WORD OF THE DAY

Test Your Vocabulary

Name That Food

  • a-light
  • Name these cookies!
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!