18
interference(noun, disagreement, participate, interruption, stoppage)
17
trespass(noun, advance, attack, offensive, enter)
13
invasion(noun, charge, advance, attack, strike)
13
incursion(noun, charge, advance, attack, strike)
12
encroachment(noun, charge, advance, attack, strike)
12
inroad(noun, charge, advance, attack, strike)
10
infringement(noun, enter, trespass)
10
intervention(noun, charge, strike, offensive, conflict)
10
imposition(noun, like, burden, willing, obligation)
9
obtrusion(noun, fault, enter, participate, error)
8
disturbance(noun, upset, break, trouble, halt)
8
penetration(noun, ingress, insertion)
7
insinuation(noun, ingress, interposition, insertion)
7
infiltration(noun, ingress, insertion)
7
meddling(noun, participate, interruption, interference, prying)
7
usurpation
6
violation(noun, charge, attack, strike, offensive)
6
interruption(noun, break, trouble, disorder, shock)
6
transgression(noun, attack, offensive, fault, assault)
5
entry(noun, ingress)
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APASmart Define. (2015). intrusion thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/intrusion/thesaurus/synonyms
ChicagoSmart Define. 2015. "intrusion thesaurus" https://smartdefine.org/intrusion/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, intrusion thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/intrusion/thesaurus/synonyms>.
MLASmart Define. "intrusion thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/intrusion/thesaurus/synonyms>