Mystify \Mys"ti*fy\, v. t. [imp. & p. p. {Mystified}; p. pr. & vb. n. {Mystifying}.] [F. mystifier, fr. Gr. ? + L. -ficare (in comp.) to make. See 1st {Mystery}, and {-fy}.] 1. To involve in mystery; to make obscure or difficult to understand; as, to mystify a passage of Scripture.
2. To perplex the mind of; to puzzle; to impose upon the credulity of; to baffle; as, to mystify an opponent.
He took undue advantage of his credulity and mystified him exceedingly. --Ld. Campbell.
This slight, smarmy movie got big mileage at the art houses for reasons that mystify.