• something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature''s Secrets"
• information known only to a special group; "the Secret of Cajun cooking"
• 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"
• not openly made known; "a Secret marriage"; "a Secret bride"
• the next to highest level of official classification for documents
• 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"
• not expressed; "Secret (or private) thoughts"
• 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 mobilizati
• indulging only covertly; "a closet alcoholic"; "closet liberals"
• communicated covertly; "their a Secret signal was a wink"; "Secret messages"
• (of information) given in confidence or in Secret; "closet information"; "this arrangement must be kept confidential"; "their Secret communications"
• hidden from general view or use; "a privy place to rest and think"; "a secluded romantic spot"; "a Secret garden"
• 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"
• not open or public; kept private or not revealed; "a Secret formula"; "Secret ingredients"; "Secret talks"

'Secret' in other languages