Definition of: secret

(sē′krit) adjective
1. Kept separate or hidden from view or knowledge, or from all persons except the individuals concerned; not immediately apparent; unseen; occult.
2. Affording privacy; secluded.
3. Good at keeping secrets; close–mouthed.
4. Unrevealed or unavowed as such: a secret partner.
5. U.S. Designating defense information classified second to top–secret material with regard to required security and protection. Compare TOP–SECRET, CONFIDENTIAL (def. 4).
—noun
1. Something not to be told.
2. A thing undiscovered or unknown.
3. An underlying reason; that which, when known, explains; key.
4. A secret contrivance.
5. Secrecy.
—in secret In privacy; in a hidden place. [<OF secré, secret <L secretus, orig. pp. of secernere <se- apart + cernere separate]
—se′cret·ly adverb Synonyms (adj.): clandestine, concealed, covered, covert, furtive, hid, hidden, latent, mysterious, obscure, occult, private, recondite, retired, unknown, unrevealed, unseen, veiled. See MYSTERIOUS. Antonyms: above-board, apparent, clear, evident, manifest, obvious, plain, transparent, unconcealed, undisguised.