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
  • Doncic held both arms aloft in sarcastic celebration.
    Los Angeles Times, Los Angeles Times, 1 Apr. 2026
  • As for the time difference, Shanahan was sarcastic with his response to the San Francisco Chronicle.
    Scott Thompson, FOXNews.com, 30 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
  • The acidic composition of white vinegar works efficiently to break down the film that can accumulate on your windows.
    Lauren Jarvis-Gibson, Kansas City Star, 30 Mar. 2026
  • That’s thanks to a confluence of factors, not least of which is advancing can liner technology that make acidic beverages, like wine, more stable inside the package.
    Kate Bernot, Outside, 30 Mar. 2026
Adjective
  • Plants like blueberries, roses, tomatoes, hydrangeas, and azaleas, in particular, are acid and nitrogen lovers.
    Asia London Palomba, The Spruce, 2 Apr. 2026
  • Some of the movie is an acid satire of pre-wedding rituals — like the first dance that Charlie and Emma are dutifully rehearsing for, with a ridiculously stern taskmaster of a coach.
    Owen Gleiberman, Variety, 31 Mar. 2026
Adjective
  • Tangled pieces of barbed wire, reams of rubble and fallen concrete scarred the skyline in Karaj, western Iran, on Friday, after the US military bombed a major new bridge under construction.
    Leila Gharagozlou, CNN Money, 3 Apr. 2026
  • The fuzzy-looking crawlers can cause irritation and a rash to anyone whose skin comes in direct contact with the barbed hairs that cover the caterpillar.
    Rachel Raposas, PEOPLE, 31 Mar. 2026
Adjective
  • In those pioneer days of electric home refrigeration, everyone’s favorite new kitchen appliance relied on highly toxic, flammable, or corrosive gases to keep food chilled.
    Big Think, Big Think, 31 Mar. 2026
  • The first stage focuses on protecting the instrument from Venus’s highly corrosive environment by filtering out sulfuric acid droplets and fine particles.
    Prabhat Ranjan Mishra, Interesting Engineering, 30 Mar. 2026

Browse Nearby Words

Podcast

Cite this Entry

“Caustic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/caustic. Accessed 5 Apr. 2026.

More from Merriam-Webster on caustic

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