malignant Synonyms

morbific pestilential pleuritic pneumonic podagric poisonous prejudicial puckish rancorous revengeful ruinous scathful pestilent pestiferous mortal nasty neoplasm neoplastic neuralgic nocuous noxious opprobrious pathogenic pathological pernicious scorbutic septic virulent wicked wreakful unwholesome neuroleptic uncivilised bitchy life-threatening cacodemonic malware cancerous viperous vindictive sinister spiteful toxic toxicant tumorous unkind untreatable venenate vengeful venomous