Meanings
unfast1
verbunfast (third-person singular simple present unfasts, present participle unfasting, simple past and past participle unfasted)
present singular third person unfasts · participle present unfasting · participle past unfasted · past unfasted
unfast2
adjectiveunfast (comparative more unfast, superlative most unfast)
comparative more unfast · superlative most unfast
Origin
unfast · verb
- Middle Englishunfasten
- Englishunfast
From Middle English unfasten, unvesten, onfesten, equivalent to un- + fast.
More words from Middle English
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
APA
unfast. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/unfast
MLA
“unfast.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unfast. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “unfast,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/unfast.
Source: unfast on Wiktionary, CC BY-SA 4.0.