Clandestine often substitutes for secret and covert, and it is commonly applied to actions that involve secrecy maintained for an evil, illicit, or unauthorized purpose, as in "clandestine activities pursued …

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

Use the adjective clandestine to describe something that is done in secret, like your clandestine attempts to steal your brother's Halloween candy. Clandestine, an adjective imported from Latin, …

Something that is clandestine is hidden or kept secret, often because it is illegal.

CLANDESTINE meaning: done in a private place or way done secretly

clandestine, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Dec 14, 2025 · Adjective clandestine (comparative more clandestine, superlative most clandestine) Done or kept in secret, sometimes to conceal an illicit or improper purpose. Synonyms: covert, …

WordReference Random House Unabridged Dictionary of American English © 2025 clan•des•tine (klan des′ tin), adj. characterized by, done in, or executed with secrecy or concealment, esp. for purposes …

Sep 3, 2024 · The word “clandestine” refers to something done in secret, often because it is illegal, unauthorized, or morally questionable. The term is often associated with activities or operations that …