Hidden; concealed; as, secret treasure; secret plans; a secret vow.

Withdrawn from general intercourse or notice; in retirement or secrecy; secluded.

Something studiously concealed; a thing kept from general knowledge; what is not revealed, or not to be revealed.

The parts which modesty and propriety require to be concealed; the genital organs.

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"

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"

hidden from general view or use; "a privy place to rest and think"; "a secluded romantic spot"; "a secret garden"