infiltrators

Definitions

Persons who gain access to an organization, territory, or group surreptitiously, often for the purpose of espionage or subversion.

Individuals who gradually penetrate or enter a space, system, or group, typically in small numbers.

Examples

The security team worked tirelessly to identify and remove the infiltrators from the base.

The infiltrators disguised themselves as merchants to gain access to the heavily guarded city.

Synonyms

intruders spies trespassers moles infiltrants undercover agents invaders

Antonyms

defenders guards protectors sentinels watchmen allies loyalists