invasive
adjective
1. relating to a technique in which the body is entered by puncture or incision
2. marked by a tendency to spread especially into healthy tissue
- invasive cancer cells
Similar word(s): aggressive
3. involving invasion or aggressive attack
- invasive war
Similar word(s): offensive, incursive, invading
4. gradually intrusive without right or permission
- invasive tourists
Similar word(s): intrusive, encroaching, trespassing
noun
1. An invasive organism, as, a plant or animal.