[adjective] relating to a technique in which the body is entered by puncture or incision
[adjective] marked by a tendency to spread especially into healthy tissue; "invasive cancer cells"
[adjective] involving invasion or aggressive attack; "invasive war" Synonyms:incursive, invading
[adjective] gradually intrusive without right or permission; "we moved back from the encroaching tide"; "invasive tourists"; "trespassing hunters" Synonyms:encroaching, trespassing
