THESAURUS
encroachment
adoption, appropriation, arrogation, assumption, entrance, entrenchment, impingement, imposition, incursion, infiltration, influx, infraction, infringement, injection, inroad, insinuation, interference, interjection, interloping, interposition, interposure, interruption, intervention, intrusion, invasion, irruption, obtrusion, overstepping, playing God, seizure, transgression, trespass, trespassing, unlawful entry, usurpation
ROGET THESAURUS
encroachment
Undueness
N
undueness, malum prohibitum, impropriety, illegality, falseness, emptiness of title, invalidity of title, illegitimacy, loss of right, disfranchisement, forfeiture, usurpation, tort, violation, breach,
encroachment, presumption, assumption, seizure, stretch, exaction, imposition, lion's share, usurper, pretender, undue, unlawful, unconstitutional, illicit, unauthorized, unwarranted, disallowed, unallowed, unsanctioned, unjustified, unentitled, disentitled, unqualified, disqualified, unprivileged, unchartered, illegitimate, bastard, spurious, supposititious, false, usurped, tortious, undeserved, unmerited, unearned, unfulfilled, forfeited, disfranchised, improper, unmeet, unfit, unbefitting, unseemly, unbecoming, misbecoming, seemless, contra bonos mores, not the thing, out of the question, not to be thought of, preposterous, pretentious, would-be, filius nullius.
Transcursion
N
transcursion, transiliency, transgression, trespass,
encroachment, infringement, extravagation, transcendence, redundancy, surpassing, beyond the mark, ahead.