Definition

1. Noun:
   • A covert intelligence activity: A planned and executed intelligence mission that is specifically designed to remain hidden or secret from public knowledge and often from enemy detection.
   • A secret undertaking: Any operation conducted with the utmost secrecy, typically by a government agency or military unit, to achieve a specific objective without revealing the involvement of the sponsoring entity.

Examples of Usage

• Noun:
  • The spy was involved in a clandestine operation to gather information on the rival government.
  • The success of the clandestine operation depended entirely on maintaining absolute secrecy.

Advanced Usage

• "to run a clandestine operation": to be in charge of or manage a secret mission.
  • The general was accused of running a clandestine operation without congressional approval.
• "a deniable clandestine operation": a secret mission planned so that the sponsoring government can plausibly deny involvement if it is exposed.
  • The agents carried out a deniable clandestine operation in the neutral territory.

Variants and Related Words

• Clandestine (adj): Kept secret or done secretively, especially because illicit.
  • They held a clandestine meeting in the basement.
• Covert operation (n): A similar term often used interchangeably, though sometimes implying a broader range of secret activities, not solely intelligence-gathering.
  • The raid was a covert operation authorized by the president.

Synonyms

• Covert mission: A secret assignment or task.
• Undercover operation: An activity conducted with a concealed identity or purpose.

Related Phrases

• Intel op (slang): An abbreviated, informal term for an intelligence operation.
  • He was recruited straight out of college for a high-stakes intel op.

Noun

1. an intelligence operation so planned and executed as to insure concealment