(adj): vs. confined) -- (marked by a tendency to spread especially into healthy tissue
(adj): prenominal), strong-growing -- (tending to spread quickly
(adj): involving invasion or aggressive attack
(adj): vs. defensive) -- (for the purpose of attack rather than defense
(adj): prenominal), invasive, trespassing(prenominal) -- (gradually intrusive without right or permission
(adj): vs. unintrusive) -- (tending to intrude (especially upon privacy)