geheim

adv. cryptically, mysteriously, obscurely, esoterically, inwardly, secretly, under cover, in disguise

adj. secret, hidden, mysterious, occult, cryptic, obscure, esoteric, inward, internal, concealed, undercover, undisclosed, unrevealed

adv. secretly, surreptitiously, clandestinely

adj. secret, classified, confidential; covert

n. secret, information that is confidential or classified; mystery

secret

adj - secret

adj/adv - secret(ly)