1. (adj) acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic
harsh or corrosive in tone
Synonyms: virulent, blistering, red-hot, vitriolic, hot, blistery, acerbic, stifling, sulphurous, acidic, acrimonious, caustic, mordant, acidulous, venomous, astringent, sulfurous, acrid, deadly, acid, corrosive, pungent, biting, bitter, sultry, acidulent, acerb, erosive
Antonyms: constructive, pleasant
2. (adj) caustic, corrosive, erosive, vitriolic, mordant
of a substance, especially a strong acid; capable of destroying or eating away by chemical action
Synonyms: acrid, mordant, blistering, sulphurous, sulfurous, grim, corrosive, acid, erosive, bitter, virulent, caustic, acerbic, vitriolic, black, acerb
Antonyms: constructive, pleasant
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Synonyms for vitriolic 
