From The Collaborative International Dictionary of English v.0.48 [gcide]:
Incursive \In*cur"sive\, a.
Making an incursion; invasive; aggressive; hostile.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
incursive
adj 1: involving invasion or aggressive attack; "invasive war"
[syn: incursive, invading, invasive]