enigmatical
131arcane — adj mysterious, enigmatic, enigmatical, inscrutable, unfathomable, incomprehensible, impenetrable; dark, deep, profound, abstruse, esoteric, recondite; obscure, secret, hidden, concealed, covert, veiled, masked, screened, cloaked; occult,… …
132doubtful — adj 1. uncertain, wavering, undecided, hesitating, irresolute, vacillating, indecisive; perplexed, confused, in suspense, Inf. up in the air; wondering, skeptical, distrustful, suspicious, incredulous, disbelieving, from Missouri. 2. questionable …