vitriol

definition: abusive or venomous language used to express blame or censure or bitter deep-seated ill will
example:
speech part: noun
synonyms: vituperation
definition: (H2SO4) a highly corrosive acid made from sulfur dioxide
example:
speech part: noun
synonyms: oil of vitriol sulfuric acid sulphuric acid
definition: subject to bitter verbal abuse
example:
speech part: verb
synonyms:
definition: expose to the effects of vitriol or injure with vitriol
example:
speech part: verb
synonyms:

How vitriol is being used?