Synonyms of infiltrator in English:

infiltrator

noun

  • the constant vigilance needed to outwit enemy infiltrators
    spy, agent, secret agent, undercover agent, operative, plant, intruder, interloper, subversive, informant, informer, mole, entrist, entryist
    informal gatecrasher
    North American informal spook
    archaic intelligencer
  • Definition of infiltrator in:

    Get more from Oxford Dictionaries

    Subscribe to remove adverts and access premium resources

    Word of the day demoralize
    Pronunciation: dɪˈmɒrəlʌɪz
    verb
    cause (someone) to lose confidence or hope