Definition of vitriolic (adjective)
- harsh or corrosive in tone
- "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"
- synonyms: acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent
- of a substance, especially a strong acid; capable of destroying or eating away by chemical action
Source: Princeton University Wordnet