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mysterious

14 synonyms and 4 antonyms for mysterious, ranked by how commonly they're used.

Adj — Difficult to understand or explain; hard to figure out.

Synonyms for mysterious

arcane cryptic enigmatic ill-defined inenubilable mysterial mysterioso mystic runish sibylline systerious uncertain undefined undetermined

known unambiguous unmysterious well-defined

Synonyms and antonyms from Wiktionary, CC BY-SA.