Tending to invade; characterized by invasion; aggressive.
- Of, engaging in, or given to armed aggression: an invasive military force.
- Marked by the tendency to spread, especially into healthy tissue: an invasive carcinoma.
- Of or relating to a medical procedure in which a part of the body is entered, as by puncture or incision.
- Tending to intrude or encroach, as upon privacy.