DESTRUCTIVE

adj. 1 harmful, injurious, baneful, pernicious, dangerous, hurtful, toxic, poisonous, virulent, noxious, bad, malignant, baleful, unwholesome, damaging, detrimental, deleterious, devastating; deadly, fatal, lethal, fell, killing, internecine The spray keeps away insects but is destructive of the plant life 2 negative, adverse, opposing, opposed, contrary, contradictory, antithetical, conflicting, unfavourable, condemnatory, derogatory, disparaging, disapproving, critical The playwrights feared and disliked him because of his destructive criticism