secret

(sēˈkrĭt)

1. Kept hidden from knowledge or view; concealed.
2. Dependably discreet.
3. Operating in a hidden or confidential manner: a secret agent.
4. Not expressed; inward: their secret thoughts.
5. Not frequented; secluded: wandered about the secret byways of Paris.
6. Known or shared only by the initiated: secret rites.
7. Beyond ordinary understanding; mysterious.
8. Containing information, the unauthorized disclosure of which poses a grave threat to national security.

1. Something kept hidden from others or known only to oneself or to a few.
2. Something that remains beyond understanding or explanation; a mystery.
3. A method or formula on which success is based: The secret of this dish is in the sauce.
4. Secret A variable prayer said after the Offertory and before the Preface in the Mass.

Related Forms:

• seˈcret·ly adverb