toxic rubber stamp

adverse bad baleful baneful calamitous cataclysmic catastrophic consumptive corroding corrupting crippling damaging deleterious destructive detrimental disadvantageous disastrous evil harassing harmful hurtful incendiary inimical injurious internecine malefic malicious malignant menacing mischievous murderous noxious painful pernicious pestiferous pestilential risky rubber ruinous sinful sinister stamp sticker subversive toxic undermining unhealthy unsafe unwholesome virulent