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mysterious

mys·te·ri·ous

mysterious

 
pronunciation:
mih sti ri s
part of speech: adjective
definition 1: full of, pertaining to, or characterized by mystery.
synonyms:
arcane, cryptic, enigmatic, mystic, occult, puzzling
antonyms:
open
similar words:
baffling, eerie, inscrutable, mystical, shadowy, veiled
definition 2: unknown and unexplainable; elusive; puzzling.
synonyms:
cryptic, elusive, enigmatic, inexplicable, inscrutable, puzzling
antonyms:
straightforward
similar words:
abstruse, ambiguous, arcane, baffling, eerie, incomprehensible, obscure, unfathomable, unknown
derivations: mysteriously (adv.), mysteriousness (n.)