| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | hidden, mysterious; blank |
| Synonyms: | ambiguous, arcane, cabalistic, deadpan, difficult, enigmatic, impenetrable, incomprehensible, inexplicable, mysterial, mystic, poker-faced, secret, sphinxlike, unaccountable, undiscoverable, unexplainable, unfathomable, unintelligible, unknowable, unreadable |
| Antonyms: | clear, comprehensible, evident, intelligible, obvious, plain |