secret

secret

名词 secret:

something that should remain hidden from others (especially information that is not to be passed on)

information known only to a special group

同义词：arcanum

something that baffles understanding and cannot be explained

同义词：mystery, enigma, closed book

形容词 secret:

not open or public; kept private or not revealed

conducted with or marked by hidden aims or methods

同义词：clandestine, cloak-and-dagger, hole-and-corner, hugger-mugger, hush-hush, surreptitious, undercover, underground

not openly made known

同义词：unavowed

communicated covertly

not expressed

同义词：private

designed to elude detection

同义词：hidden

hidden from general view or use

同义词：privy, secluded

(of information) given in confidence or in secret

同义词：confidential

indulging only covertly

having an import not apparent to the senses nor obvious to the intelligence; beyond ordinary understanding

同义词：mysterious, mystic, mystical, occult, orphic

the next to highest level of official classification for documents