Definition of causticnext

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 Pairing the caustic stylings of Triumph the Insult Comic Dog with those of human vanilla milkshake Jack McBrayer is a perfect recipe for comic juxtaposition on paper. Eric Vilas-Boas, Vulture, 18 Mar. 2026 The move comes just a few months after Mamdani took office after a bitter campaign season last year that had the two Democrats taking turns bashing each other in often caustic and personal terms. Anthony Izaguirre The Associated Press, Arkansas Online, 18 Mar. 2026 Okrent portrays Sondheim as witty and endearing, but also poorly groomed, remote, caustic, quick to anger — and, mostly, quick to forgive. Los Angeles Times, 17 Mar. 2026 Anhydrous ammonia is caustic and must be handled as a compressed gas, but given the high nitrogen content, technology was developed to store and transport so it could be injected into cropland. Edward Lotterman, Twin Cities, 15 Mar. 2026 See All Example Sentences for caustic
Recent Examples of Synonyms for caustic
Adjective
  • James then scrunched his face into a sarcastic, close-eyed smile.
    Los Angeles Times, Los Angeles Times, 24 Mar. 2026
  • Brendon was a fan favorite among the cast for his loyalty to his friends and sarcastic sense of humor.
    Jack Dunn, Variety, 21 Mar. 2026
Adjective
  • As journalism scholar Paul Alonso writes, looking at two cases from South America, sometimes satirical media takes up the slack.
    Livia Gershon, JSTOR Daily, 27 Mar. 2026
  • Since its premiere, the show has received critical acclaim for Smart and Einbender’s performances, as well as its satirical look at the ins and outs of show business.
    Wilson Chapman, IndieWire, 23 Mar. 2026
Adjective
  • In conventional fuel cells, chemical reactions take place in highly acidic conditions.
    Prabhat Ranjan Mishra, Interesting Engineering, 26 Mar. 2026
  • In terms of soil pH levels, tulips prefer neutral to slightly acidic soil.
    Michelle Mastro, Architectural Digest, 24 Mar. 2026
Adjective
  • Shaquille Coke is accused of soliciting an acid attack on Nafiah Ikram on Long Island in 2021 and driving the getaway car.
    Alexa Herrera, CBS News, 24 Mar. 2026
  • Fires caused by Israeli strikes on oil reservoirs on Saturday burned for multiple days, prompting Iranian officials to warn residents against acid and toxic rain that resulted from the significant amount of pollutants in the air.
    Julia Jacobo, ABC News, 10 Mar. 2026
Adjective
  • Page used barbed wire wrapped around a chair to bust MJF open and hit a Deadeye through a table.
    Ryan Gaydos, FOXNews.com, 16 Mar. 2026
  • Have Faith Haiti, with its 30-foot-tall walls, barbed wire and guard towers, looks like a prison from the outside.
    Denise Schrier Cetta, CBS News, 15 Mar. 2026
Adjective
  • Today’s dominant platforms are more corrosive.
    Catherine Thorbecke, Twin Cities, 28 Mar. 2026
  • Decades of static storage lead to the unavoidable accumulation of heavy waxes, dense inorganic sediments, and highly corrosive hydrogen sulfide produced by sulfate-reducing bacteria — turning the bottom of the cavern into a chemical nightmare.
    Siddharth Misra, Fortune, 28 Mar. 2026

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Cite this Entry

“Caustic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/caustic. Accessed 1 Apr. 2026.

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