undecryptable

U1N1D2E1C3R1Y4P3T1A1B3L1E1

adjective

That cannot be decrypted.

Similar
unbreakableuncrackable
OriginEnglish decryptable ← Middle English un- ← Old English un- →
Scrabble 23
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Meanings

adjectiveundecryptable (not comparable)
  1. not comparableThat cannot be decrypted.

    Synonyms: unbreakable, uncrackable

Synonyms & antonyms

adjectiveThat cannot be decrypted.

Similar
unbreakableuncrackable

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. Englishdecryptable
  9. Englishundecryptable

From un- + decryptable.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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