undebatable

U1N1D2E1B3A1T1A1B3L1E1

adjective

Not debatable; that cannot be debated.

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

adjectiveundebatable (not comparable)
  1. not comparableNot debatable; that cannot be debated.

Synonyms & antonyms

Also see
irrefutable

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. Englishdebatable
  9. Englishundebatable

From un- + debatable.

Full word history & related roots →
Cite this entry
APA

undebatable. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/undebatable

MLA

“undebatable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undebatable. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “undebatable,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/undebatable.

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