Definition of clandestine adjective from the Oxford Advanced Learner's Dictionary

 

clandestine

 adjective
adjective
BrE BrE//klænˈdestɪn//
 
; NAmE NAmE//klænˈdestɪn//
 
; BrE BrE//ˈklændəstaɪn//
 
; NAmE NAmE//ˈklændəstaɪn//
 
(formal) Terrorism
 
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done secretly or kept secret a clandestine meeting/relationship the clandestine sale of weapons See related entries: Terrorism Word Origin mid 16th cent.: from French clandestin or Latin clandestinus, from clam ‘secretly’.Extra examples A clandestine meeting was held between leaders of the two parties. She could see no future in her clandestine relationship. There was nothing in all of this that could be regarded as clandestine.
See the Oxford Advanced American Dictionary entry: clandestine