virulent Synonyms

acerb caustic blistering bitter deadly venomous sulphurous sulfurous acrid acerbic acid vitriolic sarcastic savage polemical poisonous poisoned rancorous pestilential metastatic mordacious mordant nasty noxious pernicious pestiferous pestilent scathing septic sharp cancerous unwholesome withering life-threatening viperous viperish vindictive vicious ultraist trenchant transmissible toxic stinging spiteful transmittable mephitic deathly deathfulness deathful dangerous