vitriol

noun

vit·​ri·​ol ˈvi-trē-əl How to pronounce vitriol (audio)
Synonyms of vitriol
1
: bitterly harsh or caustic language or criticism
political commentators spewing angry vitriol
Rumor has always played a role in politics, but rarely have the backstage operatives been so adroit, and so cynical, in their use of vitriol.Walter Shapiro
Cascades of multisyllabic vitriol engulf us as Conrad communicates his utter loathing of television …Stanley Marcus
2
a
: a sulfate of any of various metals (such as copper, iron, or zinc)
especially : a glassy hydrate of such a sulfate
vitriolic adjective
vitriolic personal attacks
a vitriolic debate/dispute

Examples of vitriol in a Sentence

His speech was full of political vitriol. a film critic noted for the vitriol and sometimes outright cruelty of his pronouncements
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The huge profits from BP generated online vitriol almost immediately. Michelle Chapman, Fortune, 28 Apr. 2026 That was the plan until DeCosta called off a blockbuster trade and all hell broke loose, with much of the public vitriol directed his way. Michael Silver, New York Times, 27 Apr. 2026 Bonta and her backers say conservatives have deliberately misled the public about her bill’s purpose, leading to a wave of vitriol and threats against the lawmaker. Andrew Graham april 26, Sacbee.com, 26 Apr. 2026 There’s real vitriol between them. Daniel D'addario, Variety, 21 Apr. 2026 See All Example Sentences for vitriol

Word History

Etymology

Middle English, from Anglo-French vitriole, from Medieval Latin vitriolum, alteration of Late Latin vitreolum, neuter of vitreolus glassy, from Latin vitreus vitreous

First Known Use

14th century, in the meaning defined at sense 2a

Time Traveler
The first known use of vitriol was in the 14th century

Browse Nearby Words

Cite this Entry

“Vitriol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitriol. Accessed 4 May. 2026.

Kids Definition

vitriol

noun
vit·​ri·​ol ˈvi-trē-əl How to pronounce vitriol (audio)
: something (as written or spoken words) thought to be as harsh and burning as acid

Medical Definition

vitriol

noun
vit·​ri·​ol ˈvi-trē-əl How to pronounce vitriol (audio)
1
: a sulfate of any of various metals (as copper, iron, or zinc)
2

More from Merriam-Webster on vitriol

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster