destructive
I
adjective
annihilating, baleful, damaging, destroying, detrimental, feral, harmful, injurious, internecine, malign, miasmal, miasmatic, miasmic, pernicious
II
index
adverse (negative), bad (offensive), dangerous, deadly, detrimental, dire, disadvantageous, disastrous, disorderly, fatal, harmful, hostile, insalubrious, lethal, malicious, malignant, noxious, pernicious, pestilent, prejudicial, sinister, virulent
Burton's Legal Thesaurus.
William C. Burton.
2006