unfastenable

U1N1F4A1S1T1E1N1A1B3L1E1

adjective

Not fastenable.

OriginEnglish fastenable ← Middle English un- ← Old English un- →
Scrabble 17
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Meanings

unfastenable1

adjectiveunfastenable (not comparable)
  1. not comparableNot fastenable.

unfastenable2

adjectiveunfastenable (not comparable)
  1. not comparableAble to be unfastened.

Origin

unfastenable · adjective

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishfastenable
  9. Englishunfastenable

From un- + fastenable.

Full word history & related roots →

unfastenable · adjective

From unfasten + -able.

Full word history & related roots →
Cite this entry
APA

unfastenable. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/unfastenable

MLA

“unfastenable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unfastenable. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “unfastenable,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/unfastenable.

Source: unfastenable on Wiktionary, CC BY-SA 4.0.