INVASIVE
- (esp. of plants or a disease) Tending to spread prolifically and undesirably or harmfully
- (esp. of an action or sensation) Tending to intrude on a person's thoughts or privacy
- (of medical procedures) Involving the introduction of instruments or other objects into the body or body cavities
- aggressive [adj]
- INVASION, the act of invading (to enter for conquest or plunder) [adj]