Synonyms of infiltrator in English:

infiltrator

noun

  • 1 once identified, the infiltrators were subjected to grueling questioning
    spy, secret agent, undercover agent, operative, informant, informer, mole, plant, spook;
    intruder, interloper, subversive
  • Definition of infiltrator in:

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    Word of the day flagitious
    Pronunciation: fləˈjiSHəs
    adjective
    (of a person or their actions) criminal; villainous