untestable

U1N1T1E1S1T1A1B3L1E1

adjective

That cannot be tested; unverifiable

Opposite
testable
OriginEnglish testable ← Middle English un- ← Old English un- →
RareScrabble 12
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Meanings

adjectiveuntestable (comparative more untestable, superlative most untestable)

comparative more untestable · superlative most untestable

  1. That cannot be tested; unverifiable

Synonyms & antonyms

Opposite
testable

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. Englishtestable
  9. Englishuntestable

From un- + testable.

Full word history & related roots →

Rhymes & wordplay

Anagrams

unsettable
Cite this entry
APA

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

MLA

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

Chicago

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

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