Clandestine (adjective)

Kept or done secret or in secret, especially because illicit or of questionable nature.

Origin:

Late 16th century: from french clandestin, from latin clandest─źnus, from clam 'secretly' + destinare 'destine'.

Examples:

  1. The couple were caught in a clandestine affair.
  2. He took a clandestine approach to his business dealings.
  3. The secret group conducted their meetings in a clandestine manner.
  4. The police found evidence of a clandestine drug operation.
  5. She had a clandestine meeting with her lover.
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