- The definition of clandestine is something that is done in secret.
A meeting in a hidden location is an example of clandestine.
Origin: French clandestin ; from Classical Latin clandestinus, secret, hidden ; from clam, secret ; from base of celare, to hide: see conceal
Used by arrangement with John Wiley & Sons, Inc.
Origin: Latin clandestīnus, probably blend of *clam-de, secretly (from clam; see kel-1 in Indo-European roots) and intestīnus, internal; see intestine.
- clan·desˈtine·ly adverb
- clan·desˈtine·ness, clanˌdes·tinˈi·ty noun