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 Summer of Our Discontent takes a caustic look at Black Lives Matter from the lofty vantage point of his Parisian garret. Book Marks august 1, Literary Hub, 1 Aug. 2025 Understanding how polymers respond to 180 degrees C, or which valve coating will withstand caustic CIP cycles, is not trivial knowledge. Lutz Finger, Forbes.com, 15 July 2025 The Senate will begin voting on President Donald Trump’s sweeping bill on tax cuts, Medicaid and border security, after a marathon weekend of caustic debate and political maneuvering, but the result isn’t known for certain. Bart Jansen, USA Today, 1 July 2025 Well, this was unexpected: a caustic and thorough indictment of Baby Boomer entitlement written by one of the Baby Boomers’ most important and original comic voices. Brian Boone, Vulture, 18 June 2025 See All Example Sentences for caustic
Recent Examples of Synonyms for caustic
Adjective
  • Even an otherwise neutral comment can be contorted into a sarcastic retort, an insult or a counterattack.
    Mark Travers, Forbes.com, 7 Sep. 2025
  • On the par-4 14th, Scheffler splashed out of a greenside bunker to 10 feet, missed the par putt, and then, without hesitation, threw a sarcastic fist pump toward the hole.
    Devlina Sarkar, MSNBC Newsweek, 23 Aug. 2025
Adjective
  • His upcoming credits included Ruben Östlund's satirical black comedy The Entertainment System is Down, also set to star Keanu Reeves, Kirsten Dunst, and Woody Harrelson.
    EW.com, EW.com, 2 Sep. 2025
  • The movie is an adaptation of Donald Westlake’s 1997 satirical thriller The Ax, which was also adapted by the great Costa Gavras in 2005.
    Bilge Ebiri, Vulture, 31 Aug. 2025
Adjective
  • Over time, the egg white becomes more acidic.
    Merve Ceylan, Health, 2 Sep. 2025
  • Three million gallons of acidic mine drainage flooded into the Animas River basin 10 years ago, turning the southern Colorado river a mustard yellow and making international headlines.
    Elise Schmelzer, Denver Post, 31 Aug. 2025
Adjective
  • This touchscreen pod machine has a lot to offer, including rich, balanced, coffee; a whopping eight brewing sizes; one-touch presets for low-acid, Americano, iced coffee, and cold brew; plus customizable temperature control and brew strength.
    Mark Marino, Bon Appetit Magazine, 29 Aug. 2025
  • How does the new silver extraction method work The technology, known as Jet Electrochemical Silver Extraction (JESE), uses a fine stream of weak acid to dissolve silver directly from the panel surface in seconds—the acid stream targets only the silver, leaving everything else untouched.
    Sujita Sinha, Interesting Engineering, 15 Aug. 2025
Adjective
  • Thailand says the barbed wire was set up to prevent the planting of mines and is on its own land.
    Matthew Tostevin, MSNBC Newsweek, 27 Aug. 2025
  • No one else writes with such wounding, barbed wit.
    David Fear, Rolling Stone, 27 Aug. 2025
Adjective
  • Electrochemical impedance results showed lower resistance, faster ion flow, and fewer corrosive by-products.
    Neetika Walter, Interesting Engineering, 30 Aug. 2025
  • The corrosive idea that evil happens out there is what sustains our indifference.
    Seema Jilani August 29, Literary Hub, 29 Aug. 2025

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Cite this Entry

“Caustic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/caustic. Accessed 10 Sep. 2025.

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