se·cret /ˈsikrət/
  祕密,機密,神祕,祕訣,祕方(a.)祕密的,極機密的,隱蔽的,暗中的,神祕的
  secret
  秘密
  Se·cret a.
  1. Hidden; concealed; as, secret treasure; secret plans; a secret vow.
     The secret things belong unto the Lord our God; but those things which are revealed belong unto us.   --Deut. xxix. 29.
  2. Withdrawn from general intercourse or notice; in retirement or secrecy; secluded.
  There, secret in her sapphire cell,
  He with the Nais wont to dwell.   --Fenton.
  3. Faithful to a secret; not inclined to divulge or betray confidence; secretive. [R.]
  Secret Romans, that have spoke the word,
  And will not palter.   --Shak.
  4. Separate; distinct. [Obs.]
     They suppose two other divine hypostases superior thereunto, which were perfectly secret from matter.   --Cudworth.
  Syn: -- Hidden; concealed; secluded; retired; unseen; unknown; private; obscure; recondite; latent; covert; clandestine; privy. See Hidden.
  Se·cret, n.
  1. Something studiously concealed; a thing kept from general knowledge; what is not revealed, or not to be revealed.
     To tell our own secrets is often folly; to communicate those of others is treachery.   --Rambler.
  2. A thing not discovered; what is unknown or unexplained; a mystery.
     All secrets of the deep, all nature's works.   --Milton.
  3. pl. The parts which modesty and propriety require to be concealed; the genital organs.
  In secret, in a private place; in privacy or secrecy; in a state or place not seen; privately.
     Bread eaten in secret is pleasant.   --Prov. ix. 17.
  Se·cret v. t. To keep secret. [Obs.]
  ◄ ►
  secret
       adj 1: not open or public; kept private or not revealed; "a secret
              formula"; "secret ingredients"; "secret talks"
       2: conducted with or marked by hidden aims or methods;
          "clandestine intelligence operations"; "cloak-and-dagger
          activities behind enemy lines"; "hole-and-corner
          intrigue"; "secret missions"; "a secret agent"; "secret
          sales of arms"; "surreptitious mobilization of troops";
          "an undercover investigation"; "underground resistance"
          [syn: clandestine, cloak-and-dagger, hole-and-corner(a),
           hugger-mugger, hush-hush, on the quiet(p), surreptitious,
           undercover, underground]
       3: not openly made known; "a secret marriage"; "a secret bride"
          [syn: unavowed]
       4: communicated covertly; "their a secret signal was a wink";
          "secret messages"
       5: not expressed; "secret (or private) thoughts" [syn: private]
       6: designed to elude detection; "a hidden room or place of
          concealment such as a priest hole"; "a secret passage";
          "the secret compartment in the desk" [syn: hidden]
       7: hidden from general view or use; "a privy place to rest and
          think"; "a secluded romantic spot"; "a secret garden"
          [syn: privy, secluded]
       8: (of information) given in confidence or in secret; "closet
          information"; "this arrangement must be kept
          confidential"; "their secret communications" [syn: closet(a),
           confidential]
       9: indulging only covertly; "a closet alcoholic"; "closet
          liberals" [syn: closet(a)]
       10: having an import not apparent to the senses nor obvious to
           the intelligence; beyond ordinary understanding;
           "mysterious symbols"; "the mystical style of Blake";
           "occult lore"; "the secret learning of the ancients"
           [syn: mysterious, mystic, mystical, occult, orphic]
       11: the next to highest level of official classification for
           documents
       n 1: something that should remain hidden from others (especially
            information that is not to be passed on); "the
            combination to the safe was a secret"; "he tried to keep
            his drinking a secret"
       2: information known only to a special group; "the secret of
          Cajun cooking" [syn: arcanum]
       3: something that baffles understanding and cannot be
          explained; "how it got out is a mystery"; "it remains one
          of nature's secrets" [syn: mystery, enigma, closed
          book]