acid

adjective

Definition of acidnext
1
as in acidic
causing or characterized by the one of the four basic taste sensations that is produced chiefly by acids an acid-tasting medicine

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Antonyms & Near Antonyms
2
as in angry
having or showing a habitually bad temper with her acid personality, my aunt could be relied upon to bring some much-needed balance to the holiday gush

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Antonyms & Near Antonyms
3
as in sarcastic
marked by the use of wit that is intended to cause hurt feelings a cultural gadfly known for an acid tongue that spares no one

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Antonyms & Near Antonyms

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 acid Lithium-ion, lead-acid, sodium-ion and other technologies all have a role to play in the electrification landscape. — Darren Tan, Forbes.com, 20 July 2026 Three teenagers have been arrested in connection with an acid attack on six women in Jersey City, New Jersey, last month, public safety officials said. — Mirna Alsharif, NBC news, 15 July 2026 Over several decades, hundreds and hundreds of tons — hundreds of thousands of gallons — of acid waste from the pesticide DDT and even DDT itself were dumped into the ocean off the Palos Verdes Peninsula and near Catalina Island. — Patt Morrison, Los Angeles Times, 15 July 2026 The process produces both acid and base chemicals necessary for further processing. — Georgina Jedikovska, Interesting Engineering, 14 July 2026 See All Example Sentences for acid
Recent Examples of Synonyms for acid
  1. acidic
  2. angry
  3. sarcastic
  4. irritable
  5. satiric
  6. bilious
  7. barbed
  8. dyspeptic
Adjective
  • Descaling solution is an acidic liquid that reacts with—and therefore breaks down—alkaline mineral build ups that happen over time wherever tap water sits or flows.
    — Emily Farris, Bon Appetit Magazine, 13 Oct. 2026
  • The Bongulo Paneer — cooked in bamboo — with a coconut and capsicum poriyal blends peanut chutney with acidic gongura sour cream and fiery gunpowder.
    — Heidi Finley, Charlotte Observer, 2 Oct. 2026
Definition of acidic
Adjective
  • Protests by high school students angry about dilapidated, understaffed schools have roiled France since mid-September.
    — JOHN LEICESTER, Arkansas Online, 15 Oct. 2026
  • Keeping The Faith So all’s well that ends well, and frantic, for Halfway 2 Jesus, Rock’s 13th album and the follow-up to 2022’s angry, politically charged Bad Reputation.
    — Gary Graff, Billboard, 15 Oct. 2026
Definition of angry
Adjective
  • The interest has been driven largely by the brand's casual, sarcastic tone and active participation in online trends.
    — Megan Sauer, CNBC, 13 Oct. 2026
  • Before the constant stream of sarcastic Ultron commentary wears out its welcome around the series’ halfway point, the bad guy’s brevity is a nice counterpoint to all of the sentient ennui.
    — David Fear, Rolling Stone, 12 Oct. 2026
Definition of sarcastic
Adjective
  • Could be because for much of the running time, Abrams’ Jay Gardiner is up against what looks like a very large irritable sphincter.
    — David Rooney, HollywoodReporter, 14 Oct. 2026
  • Coach There’s no better feeling than walking into your last show of the day, irritable and hungry, only to discover that snacks are being served.
    — Anna Grace Lee, Vogue, 17 Sep. 2026
Definition of irritable
Adjective
  • Minnesota Timberwolves player Anthony Edwards has brought back his satirical Believe That Awards, which went viral in 2025 — reaching 150 million cross-platform views — for crowning Timothée Chalamet white boy of the year.
    — Selome Hailu, Variety, 15 Oct. 2026
  • The Cockroach movement began as an online satirical campaign this summer after India’s chief justice compared unemployed young people to parasites.
    — ABC News, ABC News, 11 Oct. 2026
Definition of satiric
Adjective
  • Ready to Wear, the bilious bomb of a film in which Robert Altman took aim at the fashion industry with an elephant gun—and missed.
    — Charles Gandee, Vogue, 27 Sep. 2026
  • Look the steady coarsening of American civic and political culture and the ways in which the once-outrageous—the bilious, hateful rhetoric and the creeping authoritarianism—have become almost ordinary.
    — Literary Hub, Literary Hub, 15 July 2026
Definition of bilious
Adjective
  • Attorneys for the country music icon’s estate claimed Seaver covered his front porch in barbed wire and yellow caution tape, thus delaying the formal delivery of the suit.
    — Allison DeGrushe, StyleCaster, 6 Oct. 2026
  • Their long, barbed tongues can easily wind into ant and termite homes, licking up the bugs inside.
    — Lauren Penington, Denver Post, 4 Oct. 2026
Definition of barbed
Adjective
  • Once upon a time, the idea that the world was growing stupider was mostly confined to the realm of dyspeptic reactionary polemic.
    — James Marriott, Washington Post, 7 Oct. 2026
  • Govan might prevail on Lucas to join as well, as an idiosyncratic and dyspeptic if public-minded voice.
    — Gary Baum, HollywoodReporter, 10 Sep. 2026
Definition of dyspeptic

Browse Nearby Words

achy
acid
acidhead
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Cite this Entry

“Acid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/acid. Accessed 20 Oct. 2026.

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More from Merriam-Webster on acid

Britannica.com: Encyclopedia article about acid

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