107 entries under noun topic. ×

14
intruder(attacker, settler, foreigner, stranger)
10
aggressor(attack, attacker, goon, mugger)
9
assailant(attack, opposition, agent, villain)
8
attacker(opposition, agent, villain, rebel)
8
encroacher(offender, intruder)
7
antagonist(opposition, agent, rebel, criminal)
7
enemy(someone, rival, opponent, enemy)
7
raider(attacker, assailant)
6
interloper(attacker, settler, foreigner, stranger)
6
trespasser(criminal, thief, attacker, offender)
5
foe(opposition, agent, villain, rebel)
4
alien(being, attacker, foreigner, stranger)
4
criminal(opposition, agent, villain, rebel)
3
assaulter(attacker, goon, mugger, assailant)
3
infringer(offender, intruder)
3
mugger(attacker, goon, assailant)
3
opposition(agent, rebel, criminal, rival)
2
adversary(opposition, agent, rebel, criminal)
2
archenemy(opposition, agent, villain, rebel)
2
assailer
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APASmart Define. (2015). invader thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/invader/thesaurus/synonyms
ChicagoSmart Define. 2015. "invader thesaurus" https://smartdefine.org/invader/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, invader thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/invader/thesaurus/synonyms>.
MLASmart Define. "invader thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/invader/thesaurus/synonyms>