Synonym Chooser

How does the adjective caustic contrast with its synonyms?

Some common synonyms of caustic are acrid, mordant, and scathing. While all these words mean "stingingly incisive," caustic suggests a biting wit.

caustic comments

When is acrid a more appropriate choice than caustic?

While the synonyms acrid and caustic are close in meaning, acrid implies bitterness and often malevolence.

acrid invective

In what contexts can mordant take the place of caustic?

In some situations, the words mordant and caustic are roughly equivalent. However, mordant suggests a wit that is used with deadly effectiveness.

mordant reviews of the play

When might scathing be a better fit than caustic?

Although the words scathing and caustic have much in common, scathing implies indignant attacks delivered with fierce severity.

a scathing satire

Example Sentences

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.
Recent Examples of caustic Eleanor is played by Pippa Knowles with a playful, caustic vibrance that seizes the screen. Owen Gleiberman, Variety, 10 June 2025 For Chicago and spanning to borders far beyond, there was media personality Gary Deeb as the caustic gatekeeper of all things TV, radio and media reporting about what and who to watch and when and where to listen. Philip Potempa, Chicago Tribune, 4 June 2025 With Franzen-esque fastidiousness, Choi unpacks each character’s backstory, exposing vanities and delusions in a cool, caustic voice, a 21st century Émile Zola. Hamilton Cain, Los Angeles Times, 2 June 2025 Maybe singing caustic cadences is a way to keep the troops' spirits up. Arkansas Online, 26 May 2025 See All Example Sentences for caustic
Recent Examples of Synonyms for caustic
Adjective
  • Teaming up with Rebels like the enigmatic Cassian Andor (Diego Luna) and the sarcastic droid K-2SO (Alan Tudyk), Jyn’s quest for salvation and redemption runs right up to the beginning of the original film, Star Wars: A New Hope.
    Mekishana Pierre, EW.com, 26 June 2025
  • Mamdani joined her for a sarcastic infomercial on her account, criticizing Mayor Adams’ record.
    CT Jones, Rolling Stone, 26 June 2025
Adjective
  • The poem is part love quest, part account of Italy’s battles; in places profoundly serious, in places satiric.
    The New Yorker, New Yorker, 11 June 2025
  • Neither damning nor satiric, W. is oddly wistful, almost regretful — rare sentiments in a Stone film.
    Will Leitch, Vulture, 17 Feb. 2025
Adjective
  • Rowling frequently posts acidic commentary about trans people, and very rarely about the upcoming Harry Potter series (oddly enough, Rowling still publishes crime fiction under her male pseudonym, Robert Galbraith).
    Dani Di Placido, Forbes.com, 30 June 2025
  • Rainfall leaches elements that impart alkalinity, such as magnesium and calcium, out of the soil, rendering it acidic.
    Joshua Siskin, Oc Register, 28 June 2025
Adjective
  • The floors are done in chestnut-toned wood, with acid green carpets made from bamboo silk, while the VVIP suite has its own private sitting room.
    Samantha Conti, Footwear News, 11 June 2025
  • Fluoride also replaces minerals lost from teeth due to acid breakdown, according to the Centers for Disease Control and Prevention.
    Mary Kekatos, ABC News, 3 June 2025
Adjective
  • The center was built in eight days and features more than 200 security cameras, 28,000-plus feet of barbed wire and 400 security personnel.
    arkansasonline.com, arkansasonline.com, 4 July 2025
  • But reminders of past pains linger — a fence still stretches across a large swath of the park’s borders, topped in one section by barbed wire and with a new gate installed to halt entry outside of park hours.
    Austin Hornbostel, The Tennessean, 2 July 2025
Adjective
  • The Amys offer advice for advocating for yourself without setting off alarm bells, shifting from tactical execution to strategic thinking, and confronting behavior that’s corrosive but hard to pin down.
    Harvard Business Review, Harvard Business Review, 30 June 2025
  • Employees responsible for pouring corrosive chemicals into cookers were only required to wear safety glasses, according to the report.
    Killian Baarlaer, Louisville Courier Journal, 17 June 2025

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Cite this Entry

“Caustic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/caustic. Accessed 16 Jul. 2025.

More from Merriam-Webster on caustic

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