undigestible

U1N1D2I1G2E1S1T1I1B3L1E1

adjective

Chemically impossible to digest.

OriginEnglish digestible ← Middle English un- ← Old English un- →
Scrabble 16
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Meanings

adjectiveundigestible (not comparable)
  1. alternativenot comparableAlternative spelling of indigestible.
  2. not comparableChemically impossible to digest.

Origin

  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. Englishdigestible
  9. Englishundigestible

From un- + digestible.

Full word history & related roots →
Cite this entry
APA

undigestible. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/undigestible

MLA

“undigestible.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undigestible. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “undigestible,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/undigestible.

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