noun-modifying (irregular)
secretive; mysterious; furtive
Describes a person, behavior, or atmosphere that seems to hide something; often implies a sense of secrecy or stealth. Used prenominally (before a noun).
See also: めく
彼は秘密めいた笑みを浮かべた。
He gave a secretive smile.
その部屋には秘密めいた雰囲気が漂っていた。
A mysterious atmosphere hung over the room.