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invasive

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adjective in·va·sive \in-ˈvā-siv, -ziv\

Definition of invasive

  1. 1 :  of, relating to, or characterized by military aggression

  2. 2 :  tending to spread especially in a quick or aggressive manner: such asa 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>b (1) 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> (2) of a pathogenic microorganism or disease :  disseminating from a localized area throughout the body <sepsis association with invasive bacteria> <invasive streptococcal infection>

  3. 3 :  tending to infringe

  4. 4 :  involving entry into the living body (as by incision or by insertion of an instrument) <invasive diagnostic techniques>

invasiveness

noun

1598

First Known Use of invasive

1598


2

invasive

noun in·va·sive

Definition of invasive

  1. :  an organism that is not native to the place where found and tends to grow and spread easily usually to the detriment of native species and ecosystems <Zebra mussels are the latest in a series of aquatic invasives to threaten Texas' inland waters. — Shannon Tompkins>

1990

First Known Use of invasive

1990


Medical Dictionary

invasive

play
adjective in·va·sive \-siv, -ziv\

Medical Definition of invasive

  1. 1:  tending to spread; especially :  tending to invade healthy tissue <invasive cancer cells>

  2. 2:  involving entry into the living body (as by incision or by insertion of an instrument) <invasive diagnostic techniques>

invasiveness

noun

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