vitriolic[adjective]Synonyms: bitter, acerbic, caustic, envenomed, sardonic, scathing, venomous, virulent, withering
[TahlilGaran] English Synonym Dictionary ▲
vit‧ri‧ol‧ic /ˌvɪtriˈɒlɪk◂ $ -ˈɑːlɪk◂/
adjective formal vitriolic language, writing etc is very cruel and angry towards someone:
vitriolic remarks [TahlilGaran] Dictionary of Contemporary English ▲