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Infiltrator - Meaning, Definition & English Examples

An infiltrator is someone who secretly enters a place or organization to gather information or cause harm. The term is often used in military, espionage, or security contexts.

infiltrator

/ɪnˈfɪlˌtreɪtər/ /ɪnˈfɪlˌtreɪtə/

Definition:

A person who secretly enters a place or organization to gather information or cause harm.

Synonyms:

spy, mole, intruder, undercover agent

Part of Speech:

noun

Antonyms:

ally, defender

Common Collocations:

enemy infiltrator, undercover infiltrator, suspected infiltrator

Derivatives:

infiltrate, infiltration, infiltrating

Usage Tips:

Use "infiltrator" for someone who secretly joins a group with hidden motives, often for espionage or sabotage.

Common Phrases:

sleeper agent, double agent, fifth columnist

Etymology:

Derived from Latin "infiltrare," meaning "to filter into," combined with the agent suffix "-tor."

Examples:

  • 1. The spy was identified as an infiltrator in the military base.
  • 2. Security caught the infiltrator trying to access classified files.
  • 3. The organization feared an infiltrator might leak their plans.
  • 4. She pretended to be friendly but was actually an infiltrator.

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