7 entries under expression topic. ×

6
secret agent(noun, idiom, plant, spy)
2
double agent(noun, idiom, plant, spy)
1
undercover agent(noun, idiom, plant, spy)
0
espionage agent(noun, plant, spy, mole)
0
foreign agent(noun, plant, mole)
0
inside agent(noun, plant, spy, mole)
0
secret service(noun, plant, mole)
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APASmart Define. (2015). infiltrator thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/infiltrator/thesaurus/synonyms
ChicagoSmart Define. 2015. "infiltrator thesaurus" https://smartdefine.org/infiltrator/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, infiltrator thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/infiltrator/thesaurus/synonyms>.
MLASmart Define. "infiltrator thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/infiltrator/thesaurus/synonyms>