Synonyms of mysterious in English:

mysterious


See definition of mysterious

adjective

1‘his colleague had vanished in mysterious circumstances’

SYNONYMS
puzzling, strange, peculiar, curious, funny, queer, odd, weird, bizarre, mystifying, inexplicable, baffling, perplexing, bewildering, confusing, uncanny, dark, impenetrable, incomprehensible, unexplainable, unfathomable, Delphic, sibylline, unaccountable, insoluble, obscure
arcane, recondite, secret, esoteric, occult, cryptic, hidden, concealed, supernatural, mystical
ANTONYMS

straightforward

2‘he was being very mysterious about his whereabouts’

SYNONYMS
enigmatic, inscrutable, secretive, sphinxlike, cloak-and-dagger, reticent, non-committal, discreet, evasive, furtive, surreptitious, covert
black
ANTONYMS

open