4
admission
4
assault(noun, attack, raid, military, mission)
4
attack(noun, raid, military, mission)
4
sortie(noun, attack, raid, military, mission)
3
encroachment
3
endosmosis
3
foray(noun, attack, raid, military, mission)
3
impregnation
3
infiltrate
3
infringement
3
injection(noun, insertion)
3
introduction(noun, insertion)
3
journey(transport, passage, transportation, shipment)
3
osmosis(noun, transport, flood, passage, transportation)
3
passage(noun, transport, flood, passage, transportation)
3
pervasion
3
raid(noun, attack, military, mission)
3
reception
3
sally(noun, attack, raid, military, mission)
3
saturation(noun, cross, combination, combine, association)
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APASmart Define. (2015). infiltration thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/infiltration/thesaurus/synonyms
ChicagoSmart Define. 2015. "infiltration thesaurus" https://smartdefine.org/infiltration/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, infiltration thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/infiltration/thesaurus/synonyms>.
MLASmart Define. "infiltration thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/infiltration/thesaurus/synonyms>