clandestine

/klænˈdɛstɪn/adjective

Carried out in secret, often because the activity is not allowed or approved of.

Example sentence

“The two ministers held a clandestine meeting away from the press.”

Applies to activities, meetings, and operations rather than to people. 'Covert' is the usual military synonym.

Related words

clarifyTo remove cloudy particles from a liquid such as wine or syrup so that it becomes clear.clanA large family group whose members trace their line back to the same ancestor, even when the exact links are unknown.clarityThe state of being simple to follow and free from confusion.clamorA loud, ongoing noise of many voices shouting or demanding something.classroomA room, usually in a school, where lessons are taught.clairvoyantClaimed to be able to perceive things beyond what the ordinary senses can detect.