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

Synonyms & Similar Words

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 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 Scotto highlighted that Kinetik has purpose-built its system for sour gas handling, giving it an edge over new competitors that may face permitting delays of at least three years to build acid gas injection wells. — Tipranks.com Staff, CNBC, 21 June 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
  • That’s because acidic foods such as tomatoes and oranges may react with aluminum foil, causing a metallic taste or slight discoloration, but don’t worry.
    — Bianca Lambert, Southern Living, 23 Aug. 2026
  • If the pH gets too acidic, nitrogen uptake is greatly reduced, leading to a deficiency in the plant, even if there’s plenty of nitrogen in the potting soil.
    — Andy Wilcox, Better Homes & Gardens, 22 Aug. 2026
Definition of acidic
Adjective
  • But some of it is about the cultural change that people argue about, on their phones, with the other angry people that their algorithm has found for them.
    — David Weigel, semafor.com, 26 Aug. 2026
  • Pretendian hunters tend to be painted as aggressive or angry, which ultimately serves to undermine their claims.
    — Tommy Orange, Vulture, 26 Aug. 2026
Definition of angry
Adjective
  • The department’s post drew skeptical and sarcastic reactions from commenters who wondered whether the missing $30 called for a public search.
    — Stephen Sorace, FOXNews.com, 23 Aug. 2026
  • Our second president, John Adams, was said to have had a sarcastic demeanor and made biting remarks about his contemporaries.
    — John Blumenthal, Chicago Tribune, 16 Aug. 2026
Definition of sarcastic
Adjective
  • How skipping breakfast affects kids at school Nemours KidsHealth reports that kids who miss the morning meal often feel tired, restless or irritable by midmorning.
    — Ashley Lynch, Fort Worth Star-Telegram, 25 Aug. 2026
  • Skipping meals can negatively affect blood sugar levels and leave you feeling hungry, irritable, and unable to pay attention.
    — Mira Miller, Verywell Health, 12 Aug. 2026
Definition of irritable
Adjective
  • The extremely soapy, enjoyably satirical true-life drama chronicles love, rampant betrayal and a brazen murder plot through three decades of the iconic Gucci fashion house.
    — Brian Truitt, USA Today, 28 Aug. 2026
  • Film is an art form that ranges from the broadly entertaining to the sharply satirical and controversial.
    — James Hibberd, HollywoodReporter, 28 Aug. 2026
Definition of satiric
Adjective
  • 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
  • Minaj’s bilious flurry is possibly related to claims that she is owed between $100 to 200 million related to her stake in Tidal, the music streaming service launched and spearheaded by Jay-Z in 2015 and was sold to Jack Dorsey’s company Square for $297 million in 2021.
    — Andrew Flanagan, Variety, 15 Oct. 2025
Definition of bilious
Adjective
  • Up the other side of the ravine there is another fence, much like the first, but without the barbed wire.
    — Literary Hub, Literary Hub, 24 Aug. 2026
  • Light tubes, chains, scaffolds, chairs and a barbed wire table all made an appearance.
    — Ryan Gaydos, FOXNews.com, 16 Aug. 2026
Definition of barbed
Adjective
  • Better is Danny Elfman’s spartan and fraught score, particularly the dyspeptic drums.
    — Amy Nicholson, Los Angeles Times, 8 Jan. 2026
  • But Kael sensed in her less dyspeptic moments that there was something special about Redford.
    — Stephen Galloway, HollywoodReporter, 18 Sep. 2025
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 2 Sep. 2026.

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More from Merriam-Webster on acid

Britannica.com: Encyclopedia article about acid

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