20 entries under ingress topic. ×

12
penetration(noun, act, attack, push, transport)
11
invasion(noun, attack, assault, flood, plague)
9
incursion(noun, attack, raid, military, mission)
7
inroad(noun, attack, raid, military, mission)
7
intrusion(noun, insertion)
6
insertion(noun, entrance, saturation, diffusion, seepage)
6
insinuation(noun, insertion)
5
entrance(noun, saturation, diffusion, seepage)
5
entry
5
import
5
ingress(noun, passage, entrance, saturation, diffusion)
5
interpenetration(passage, interposition)
5
irruption(noun, attack, raid, military, mission)
4
admission
3
reception
2
influx
2
ingression
2
introgression
1
illapse
0
interjacence
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APASmart Define. (2015). infiltration thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/infiltration/thesaurus/synonyms
ChicagoSmart Define. 2015. "infiltration thesaurus" https://smartdefine.org/infiltration/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, infiltration thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/infiltration/thesaurus/synonyms>.
MLASmart Define. "infiltration thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/infiltration/thesaurus/synonyms>