poisonous Synonyms

toxicant venomous deadly deleterious vicious harmful noxious toxic malignant poisoned infectious injurious lethal dangerous pernicious destructive poison unsanitary unhealthful poisoning mortiferous transmittable prejudicial rancorous toxin-laden pestilential pestilent nasty nocuous noisome pathogenic pathological radioactive pestiferous ruinous toxin septic life-threatening bitchy viperous virulent vitriolic unwholesome unhealthy creepy-crawly vindictive necrolysis cancerous slanderous spiteful