clandestine

Adjective

  1. conducted with or marked by hidden aims or methods; “clandestine intelligence operations”; “cloak-and-dagger activities behind enemy lines”; “hole-and-corner intrigue”; “secret missions”; “a secret agent”; “secret sales of arms”; “surreptitious mobilization of troops”; “an undercover investigation”; “underground resistance”
    • Synonyms
      • cloak-and-dagger
      • hole-and-corner
      • hugger-mugger
      • hush-hush
      • secret
      • surreptitious
      • undercover
      • underground
    • Similar to
      • covert
    • Related
      • underground
      • resistance