: of, relating to, or characterized by military aggression
: tending to spread especially in a quick or aggressive manner: such as
of a nonnative organism
: growing and dispersing easily usually to the detriment of native species and ecosystems
- It will be the second Australian insect released to thwart melaleuca, one of many exponentially spreading invasive plants that out-compete native Florida species, monopolizing wetlands and natural areas.
- —Neil Santaniello
- Scientists say more than 150 invasive species have entered the Great Lakes, multiplying rapidly and feeding on native species or outcompeting with them for food.
- —Sophia Taren
of cancer cells
: tending to infiltrate surrounding healthy tissue
- … this procedure preserves the architecture of the tissue sample, which is vital for determining whether tumor cells are invasive.
- —Andrew A. Skolnick
of a pathogenic microorganism or disease
: disseminating from a localized area throughout the body
- sepsis association with invasive bacteria
- invasive streptococcal infection
: involving entry into the living body (as by incision or by insertion of an instrument)
- invasive diagnostic techniques