The meaning of CLANDESTINE is marked by, held in, or conducted with secrecy : surreptitious. How to use clandestine in a sentence. Did you know? Synonym Discussion of Clandestine.

CLANDESTINE definition: 1. planned or done in secret, especially describing something that is not officially allowed: 2…. Learn more.

CLANDESTINE definition: characterized by, done in, or executed with secrecy or concealment, especially for purposes of subversion or deception; private or surreptitious. See examples of …

Clandestine describes actions or activities performed with secrecy and concealment, often to evade detection, authority, or scrutiny. In our exploration of precise language, understanding terms like …

Definition of clandestine adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

clan•des•tine (klan des′ tin), adj. characterized by, done in, or executed with secrecy or concealment, esp. for purposes of subversion or deception; private or surreptitious: Their clandestine meetings …

Clandestine definition: Kept or done in secret, often to conceal an illicit or improper purpose.

Define clandestine. clandestine synonyms, clandestine pronunciation, clandestine translation, English dictionary definition of clandestine. adj. Kept or done in secret, often to conceal an illicit or improper …

Feb 13, 2026 · clandestine (comparative more clandestine, superlative most clandestine) Done or kept in secret, sometimes to conceal an illicit or improper purpose.

from The American Heritage® Dictionary of the English Language, 5th Edition. adjective Kept or done in secret, often to conceal an illicit or improper purpose. synonym: secret. from The Century Dictionary. …