Invasive

[ɪn'veɪsɪv] or [ɪn'vesɪv]

(adj.) marked by a tendency to spread especially into healthy tissue; 'invasive cancer cells' .

(adj.) relating to a technique in which the body is entered by puncture or incision .

Edited by Cathryn--From WordNet

(a.) Tending to invade; characterized by invasion; aggressive.

Inputed by Avis