1. vitriol - Noun
2. vitriol - Verb
A sulphate of any one of certain metals, as copper, iron, zinc, cobalt. So called on account of the glassy appearance or luster.
Sulphuric acid; -- called also oil of vitriol. So called because first made by the distillation of green vitriol. See Sulphuric acid, under Sulphuric.
Source: Webster's dictionary...the Boy sat silent. It was he this time who was being warned: life held the vitriol bottle and warned him: I'll spoil your looks. Graham Greene
People still say to me, 'What was it like being in such a huge flop?' The amount of hatred and vitriol was surprising. Kate Beckinsale
Everyone knows revenge is a dish best served when you've had enough time to build up enough vitriol and fury. Sophie Kinsella
You know, the thing that struck me about Civil War music was how bloody it was; it was full of hatred. There was incredible vitriol in it. T Bone Burnett
When you don't have accountability, there's no limit to the things that people will say. One of the restraints on the vitriol and the filth that so often is part of the American political debate is that candidates have to stand by their ads. Sheldon Whitehouse
Such venomous statements might signal the end of a politician's career in some places. But not in Brazil, where Mr. Bolsonaro's rising national prominence reflects a veering to the right and growing vitriol as disillusionment with the political establishment grows. Jair Bolsonaro