say it: in-VAY-siv
invasive is an adjective meaning "relating to a technique in which the body is entered by puncture or incision". It carries 4 recorded senses.
relating to a technique in which the body is entered by puncture or incision
medicine
marked by a tendency to spread especially into healthy tissue
“invasive cancer cells”
involving invasion or aggressive attack
“invasive war”
gradually intrusive without right or permission
“we moved back from the encroaching tide”
“invasive tourists”
“trespassing hunters”
Definitions, synonyms and semantic relations for invasive come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.