7
entrance(noun, appearance, rush, flow, introduction)
7
onset(noun, charge, attack, strike, offensive)
7
transgression(noun, attack, breach, assault, offense)
7
trespass(noun, appearance, advance, attack, assault)
6
blitzkrieg(noun, charge, attack, strike, offensive)
6
breach(noun, attack, encroachment)
6
impingement(noun, advance, interruption, violation, interference)
6
infraction(noun, attack, breach, assault, offense)
6
storming(noun, charge, attack, strike, offensive)
5
penetration(noun, act, appearance, attack, rush)
5
sally(noun, attack, maneuver, raid, military)
4
combat(noun, attack)
4
entrenchment(noun, attack, encroachment)
4
influx(noun, rush, flow, ingress)
4
intervention(noun, charge, attack, strike, offensive)
4
maraud(noun, attack, raid, military, mission)
4
plague(noun, disease, wave, outbreak, swarm)
4
usurpation(noun, attack, encroachment)
3
barrage(noun, charge, attack, strike, offensive)
3
blitz(noun, charge, attack, strike, offensive)
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APASmart Define. (2015). invasion thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/invasion/thesaurus/synonyms
ChicagoSmart Define. 2015. "invasion thesaurus" https://smartdefine.org/invasion/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, invasion thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/invasion/thesaurus/synonyms>.
MLASmart Define. "invasion thesaurus" 17 July 2015. Web. 25 September 2026. <https://smartdefine.org/invasion/thesaurus/synonyms>