Others demurred on principle, choosing to defend their individual rights from an invasive government.
Only in the high seas are there still some habitats free of invasive species.
Japanese knotweed, for all its invasive attributes, was an ornamental plant for the Victorians.
invasive in·va·sive (ĭn-vā'sĭv)
Marked by the tendency to spread, especially into healthy tissue, as a tumor.
Of or relating to a medical procedure in which a part of the body is entered, as by puncture or incision.