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Definition of clandestine
clandestine
/klænˈdɛs.tɪn/
clan · des · tine
Adverb:clandestinely
clandestine Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Top 10k
Syllables
3
clandestine Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Kept secret or done secretively, especially because of being illicit, unauthorized, or subversive.
Example
"The investigative journalists uncovered a series of clandestine meetings between the lobbyists and the city council members."
Synonyms
View all synonyms for clandestine Antonyms
View all antonyms for clandestineWord Nuance & Usage
While 'secret' is neutral, 'clandestine' typically implies that something is hidden because it is illicit, unauthorized, or subversive, whereas 'surreptitious' emphasizes stealthy execution to avoid immediate detection.
• Rhymes for clandestine
• Nearby Words
Word Origin & Etymology
Borrowed in the mid-16th century via French from Latin 'clandestinus' (secret, hidden), derived from the adverb 'clam' meaning 'secretly', which is related to the verb 'celare' (to hide).
Cite this Entry
Wordmom. (2026). Definition of Clandestine. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/clandestine