Synonyms of clandestine
secretDictionary • They are said to have been holding clandestine meetings for years.
secret • I was heading on a secret mission that made my flesh crawl.
private • He held a private meeting with the country's political party leaders.
hidden • The pictures had obviously been taken by a hidden camera.
underground • accused of organizing and financing an underground youth movement
concealed • He was filmed with a concealed camera.
closet • He is a closet Fascist.
covert • They have been supplying covert military aid to the rebels.
sly • They were giving each other sly looks across the room.
furtive • a furtive glance over her shoulder
underhand • The Prime Minister had been involved in underhand financial deals.
surreptitious • They had several surreptitious conversations.
stealthy • It was a stealthy sound made by someone anxious not to be heard.
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closetCloset is used to describe a person who has beliefs, habits, or feelings which they keep secret, often because they are embarrassed about them. Closet is also used of their beliefs, habits, or feelings.
• He is a closet Fascist.
• He was filmed with a concealed camera.
covertCovert activities or situations are secret or hidden.
• They have been supplying covert military aid to the rebels.
Thesaurus for clandestine from the Collins English Thesaurus
secret and concealed, often for illicit reasons; furtive