Synonyms for "undecipherable" (29 found)

Ranked by relevance and common usage.

Closest matches (6)

Adjective(5 words)

indecipherableabstrusedenseillegibleimpenetrable

illegible

Strong matches (9)

incomprehensibleindecipherableinexplicable

Adjective(5 words)

incomprehensibleinenubilableinexplicableinscrutableinsensible

Adjective(1 words)

indecipherable

Related words (14)

Adjective(11 words)

insolubleinsolvablemysteriousobscurethickturbidunfathomableunknowableunreadableununderstandablevague

recondite

Adjective(2 words)

unclearunreadable

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

4 relation types

Synonyms

2 entries

indecipherableinexplicable

derived from

2 entries

decipherdecipherable

related to

3 entries

deciphereddifficultread

similar

2 entries

illegible

Translations

3 translations across 3 languages.

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Arabic

1 entries

• صَعْب فَكّ تَشْفِيرَة adj (not easily deciphered)

Esperanto

1 entries

• nedeĉifrebla adj (not easily deciphered)

Polish

1 entries

• nie do odszyfrowania adj (not easily deciphered)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.