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 Ross gets away with such a surfeit of sentiment precisely because of his naturally caustic inclinations; the jokes are sharp enough and the laughs are hard and plentiful enough that all of the schmaltz feels not just charming but well-earned. Chris Jones, New York Daily News, 19 Aug. 2025 Both directors rely on a kind of caustic humor to uncover the class struggle that has always complicated the colonial one. Lovia Gyarkye, IndieWire, 19 Aug. 2025 At a time when Democrats claims the mantle of defending democracy, there would be nothing more caustic and self-defeating than championing policies that quite literally rig the system. Daniel Brennan, Baltimore Sun, 6 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 See All Example Sentences for caustic
Recent Examples of Synonyms for caustic
Adjective
  • His witty, sarcastic, and often controversial commentary is the soundtrack to a generation of wrestling fans.
    Andrew Ravens‎, MSNBC Newsweek, 11 Sep. 2025
  • She’s matched wonderfully by Cooke, who leans into her actual Manchester accent to give Cherry a stroppy, sarcastic bent and whose body looks absolutely banging wrapped in an array of oxblood, maroon, and cerise minidresses.
    Roxana Hadadi, Vulture, 10 Sep. 2025
Adjective
  • Mugs and satirical commemorative plates are some of the items that can be seen on display in a local gift shop.
    Callum Sutherland, Time, 16 Sep. 2025
  • The 2025 South Korean satirical black comedy thriller is co-written, produced and directed by Park Chan-wook (Decision To Leave, Old Boy, The Handmaiden).
    Joan MacDonald, Forbes.com, 14 Sep. 2025
Adjective
  • Rainwater reacts with carbon dioxide in the air and becomes slightly acidic, wearing away at rock exposed on the Earth’s surface.
    Peter Brannen, Quanta Magazine, 15 Sep. 2025
  • Producing such minerals in a lifeless place would probably require acidic conditions or high temperatures—and the area showed signs of neither.
    David W. Brown, New Yorker, 13 Sep. 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
  • Only those working at the listening station (kept separate from the rest of the compound with barbed wire and a guard shack) knew what was really going on.
    A.K. Whitney, Oc Register, 9 Sep. 2025
  • 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
Adjective
  • Specifically, there are a ton of underbarrel attachments that are great, from hucking cleavers at enemies for one shot kills, shooting out gravity wells, laying down corrosive pools or an AOE energy blast around you.
    Paul Tassi, Forbes.com, 11 Sep. 2025
  • New research published Tuesday from UC San Diego’s Scripps Institution of Oceanography found that the barrels with halos contain caustic alkaline waste — a highly corrosive material that has been leaking out of the barrels for decades.
    Maura Fox, San Diego Union-Tribune, 11 Sep. 2025

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Cite this Entry

“Caustic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/caustic. Accessed 17 Sep. 2025.

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