n. 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"

n. [the act of hiding]

n. something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature's secrets"

adj. indulging only covertly; "a secret alcoholic"

adj. not open or public; kept private or not revealed; "a secret formula"; "secret ingredients"; "secret talks"

adj. the next to highest level of official classification for documents

adj. not openly made known; "a secret marriage"; "a secret bride"

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

adj. 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"

adj. 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"

n. something that baffles understanding and cannot be explained; "how it got out is a mystery"; "it remains one of nature's secrets"

n. a difficult problem

n. a representation of a substance using symbols for its constituent elements

n. directions for making something

n. a difficult problem

n. 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"

adj. confined to and understandable by only an enlightened inner circle; "a compilation of esoteric philosophical theories"

adj. difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge; "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"

adj. concerning or affecting a particular person or his or her private life and personality; "a personal favor"; "for your personal use"; "personal papers"; "I have something personal to tell you"; "a personal God"; "he has his personal bank account and she has hers"

adj. not made known

adj. not subject to usual rules or penalties; "a privileged statement"

adj. hidden on any grounds for any motive; "a concealed weapon"; "a concealed compartment in his briefcase"

adj. not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"

adj. marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"

adj. not capable of being precisely or readily described; not easily put into words; "an indefinable feeling of terror"; "an abstract concept that seems indefinable"

adj. difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge; "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"

adj. not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"

adj. marked by deception; "achieved success in business only by underhand methods"

adj. marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"

adj. 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"

adj. acting together in secret toward a fraudulent or illegal end

adj. not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"

adj. having markings suggestive of a mask; "the masked face of a raccoon"

adj. with your identity concealed

adj. protected from danger or bad weather; "a sheltered harbor"

adj. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed); "subterranean motives for murder"; "looked too closely for an ulterior purpose in all knowledge"- Bertrand Russell

adj. not made known

adj. covered from view: "her face buried (or hidden) in her hands"; "buried in the smoke of many rifles"

adj. with shutters closed

adj. "a closet alcoholic"

adj. marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"

adj. difficult to find; "hidden valleys"; "a hidden cave"; "an obscure retreat"

adj. lying in wait as in ambush: "a lurking prowler"; "the lurking menaces of the future"

adj. undisclosed for the time being; "sealed orders"; "a sealed move in chess"

adj. not openly expressed; "a sneaking suspicion"

adj. kept secret; "the plan was kept carefully under wraps"

adj. official classification for documents; meant to be seen by only the person to whom it is directed

adj. the level of official classification for documents next above restricted and below secret; available only to persons authorized to see documents so classified

adj. the lowest level of official classification for documents

adj. of or pertaining to classified information or matters affecting national security

adj. the highest official level of classification of documents

adj. any connection is denied

adj. having value that is not acknowledged

adj. not recognized; "he was unrecognized in his disguise"

adj. concealed from the public audience

adj. befitting or characteristic of those who incline to social exclusiveness and who rebuff the advances of people considered inferior

adj. providing privacy or seclusion; "the cloistered academic world of books"; "sat close together in the sequestered pergola"; "sitting under the reclusive calm of a shade tree"; "a secluded romantic spot"

adj. not for general or public use; "a private club"

adj. concerning or affecting a particular person or his or her private life and personality; "a personal favor"; "for your personal use"; "personal papers"; "I have something personal to tell you"; "a personal God"; "he has his personal bank account and she has hers"

adj. suggestive of the isolated life of an island; "an exceedingly insular man; so deeply private as to seem inaccessible to the scrutiny of a novelist"- Leonard Michaels

adj. concerning or affecting a particular person or his or her private life and personality; "a personal favor"; "for your personal use"; "personal papers"; "I have something personal to tell you"; "a personal God"; "he has his personal bank account and she has hers"

adj. not invested with or related to prominent position or status etc.

adj. concealed from public view or attention; "offstage political meetings"

adj. requiring secret or mysterious knowledge; "the arcane science of dowsing"

adj. hidden and difficult to see; "an occult fracture"; "occult blood in the stool"

adj. acting together in secret toward a fraudulent or illegal end

adj. not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"

adj. having markings suggestive of a mask; "the masked face of a raccoon"

adj. with your identity concealed

adj. protected from danger or bad weather; "a sheltered harbor"

adj. indulging only covertly; "a secret alcoholic"

adj. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed); "subterranean motives for murder"; "looked too closely for an ulterior purpose in all knowledge"- Bertrand Russell

adj. not made known

n. [the act of making known publicly]

adj. not private; open to or concerning the people as a whole; "the public good"; "public libraries"; "public funds"; "public parks"; "a public scandal"; "public gardens"; "performers and members of royal families are public figures"

adj. open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots"