Synonyms of the word

confidential

• adj. Kept, or meant to be kept, secret within a certain circle of persons; not intended to be known publicly.
• adj. (dated) Inclined to share confidences.

classified

• v. simple past tense and past participle of classify.
• adj. Formally assigned by a government to one of several levels of sensitivity, usually (in English) top secret,…
• adj. Not meant to be disclosed by a person or organization.
• n. (informal) A classified advertisement in a newspaper or magazine.

close

• v. (physical) To remove a gap.
• v. (social) To finish, to terminate.
• v. To come or gather around; to enclose; to encompass; to confine.
• v. (surveying) To have a vector sum of 0; that is, to form a closed polygon.
• n. An end or conclusion.
• n. The manner of shutting; the union of parts; junction.
• n. A grapple in wrestling.
• n. (music) The conclusion of a strain of music; cadence.
• n. (music) A double bar marking the end.
• adj. (now rare) Closed, shut.
• adj. Narrow; confined.
• adj. At a little distance; near.
• adj. Intimate; well-loved.
• adj. Oppressive; without motion or ventilation; causing a feeling of lassitude.
• adj. (Ireland, England, Scotland, weather) Hot, humid, with no wind.
• adj. (linguistics, phonetics, of a vowel) Articulated with the tongue body relatively close to the hard palate.
• adj. Strictly confined; carefully guarded.
• adj. (obsolete) Out of the way of observation; secluded; secret; hidden.
• adj. Nearly equal; almost evenly balanced.
• adj. Short.
• adj. (archaic) Dense; solid; compact.
• adj. (archaic) Concise; to the point.
• adj. (dated) Difficult to obtain.
• adj. (dated) Parsimonious; stingy.
• adj. Adhering strictly to a standard or original; exact.
• adj. Accurate; careful; precise; also, attentive; undeviating; strict.
• adj. Marked, evident.
• n. (now rare) An enclosed field.
• n. (Britain) A street that ends in a dead end.
• n. (Scotland) A very narrow alley between two buildings, often overhung by one of the buildings above the…
• n. (Scotland) The common staircase in a tenement.
• n. A cathedral close.
• n. (law) The interest which one may have in a piece of ground, even though it is not enclosed.

private

• adj. Belonging to, concerning, or accessible only to an individual person or a specific group.
• adj. Not accessible by the public.
• adj. Not in governmental office or employment.
• adj. Not publicly known; not open; secret.
• adj. Protected from view or disturbance by others; secluded.
• adj. Not traded by the public.
• adj. Secretive; reserved.
• adj. (US, of a room in a medical facility) Not shared with another patient.
• n. The lowest rank of the army.
• n. A soldier of the rank of private.
• n. (in plural privates) A euphemistic term for the genitals.
• n. (obsolete) A secret message; a personal unofficial communication.
• n. (obsolete) Personal interest; particular business.
• n. (obsolete) Privacy; retirement.
• n. (obsolete) One not invested with a public office.
• n. (usually in the plural) A private lesson.

secret

• n. (countable, uncountable) Knowledge that is hidden and intended to be kept hidden.
• n. (uncountable) Something not understood or known.
• n. (archaic, in the plural) The genital organs.
• adj. Being or kept hidden.
• adj. (obsolete) Withdrawn from general intercourse or notice; in retirement or secrecy; secluded.
• adj. (obsolete) Faithful to a secret; not inclined to divulge or betray confidence; secretive.
• adj. (obsolete) Separate; distinct.
• v. (transitive) To make or keep secret.
• v. (transitive) To hide secretly.