UN FASTEN Synonyms: 27 Similar and Opposite Words

unfasten

verb

ˌən-ˈfa-sᵊn

Definition of unfasten

as in to untie

to disengage the knotted parts of gently unfastened the strings of the baby's hood

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Example Sentences

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Recent Examples of unfasten Kelce unfastened the clasp on another necklace and then a third, before Chris Jones, his teammate for a decade, walked over and approached him. — Kansas City Star, 5 Jan. 2026 Since the shoulder seams unfasten under pressure, the armholes can't be used as makeshift nooses, either. — Brendan Morrow, USA Today, 17 Dec. 2025 Adama unfastened a padlock and loosened the chain securing the doors. — Ken Harbaugh, The Atlantic, 15 Sep. 2025 Chisolm immediately dropped his bat and unfastened his elbow guard. — Dan Freedman, Forbes.com, 4 Sep. 2025 See All Example Sentences for unfasten

Recent Examples of Synonyms for unfasten

Verb

This and that Why yes, Dolphins quarterback Malik Willis does in fact play with his shoelaces untied.

— Barry Jackson, Miami Herald, 21 Aug. 2026
Most versions of the story focus on the shock ending, the moment the ribbon comes untied and Jenny’s head plops to the floor.

— Jennifer Givhan, PEOPLE, 17 Aug. 2026