adj.
Pronunciation: -siv, -ziv
Function: adjective
Date: 1598
1 : of, relating to, or characterized by military aggression
2 : tending to spread especially : tending to invade healthy tissue < invasive cancer cells>
3 : tending to infringe
4 : involving entry into the living body (as by incision or by insertion of an instrument) < invasive diagnostic techniques>
– in · va · sive · ness noun