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

Synonyms & Similar Words

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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

Synonyms & Similar Words

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
  • Thanks to its acidic nature, vinegar helps neutralize odor-causing compounds instead of covering them up.
    — Mary Cornetta, Better Homes & Gardens, 1 Sep. 2026
  • One day, Cole paged through an album whose acidic glues caused her particular anguish.
    — Laura Preston, New Yorker, 30 Aug. 2026
Definition of acidic
Adjective
  • Much of the work is also focused on building guardrails to protect clients from lawsuits — coming from business partners, local officials, or angry neighbors — in an industry that has an increasingly visible target on its back.
    — Tim McDonnell, semafor.com, 3 Sep. 2026
  • Though nothing about the current situation is ideal, there’s no clear way to hop off without ensuring certain doom at the hands of a large, angry cat.
    — Joe Wilkins, Futurism, 3 Sep. 2026
Definition of angry
Adjective
  • Roberts corrected himself after an impressive dive from Komander, who received a loud, sarcastic pop.
    — Alfred Konuwa, Forbes.com, 30 Aug. 2026
  • 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
Definition of sarcastic
Adjective
  • The product immediately calmed down my irritable, rosacea-prone skin while delivering intense hydration that lasted all day.
    — Gina Vaynshteyn, StyleCaster, 31 Aug. 2026
  • 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
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
See all Nearby Words

Cite this Entry

“Acid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/acid. Accessed 5 Sep. 2026.

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More from Merriam-Webster on acid

Britannica.com: Encyclopedia article about acid

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