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Synonym Chooser

How does the adjective capricious differ from other similar words?

Some common synonyms of capricious are fickle, inconstant, mercurial, and unstable. While all these words mean "lacking firmness or steadiness (as in purpose or devotion)," capricious suggests motivation by sudden whim or fancy and stresses unpredictability.

an utterly capricious critic

When can fickle be used instead of capricious?

In some situations, the words fickle and capricious are roughly equivalent. However, fickle suggests unreliability because of perverse changeability and incapacity for steadfastness.

performers discover how fickle fans can be

Where would inconstant be a reasonable alternative to capricious?

Although the words inconstant and capricious have much in common, inconstant implies an incapacity for steadiness and an inherent tendency to change.

an inconstant friend

When could mercurial be used to replace capricious?

The meanings of mercurial and capricious largely overlap; however, mercurial implies a rapid changeability in mood.

made anxious by her boss's mercurial temperament

When might unstable be a better fit than capricious?

While the synonyms unstable and capricious are close in meaning, unstable implies an incapacity for remaining in a fixed position or steady course and applies especially to a lack of emotional balance.

too unstable to hold a job

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 capricious The medical groups argue that Kennedy's decision—announced in a video on social media on May 27—violates the Administrative Procedure Act for being arbitrary and capricious. ArsTechnica, 8 July 2025 That has been the driving principle of America's successful nuclear policy for decades, and with one capricious order, President Trump has inadvertently made the nightmare of a proliferation cascade much more likely. David Faris, MSNBC Newsweek, 26 June 2025 Last-second outcomes tend to be perceived as capricious. Bennett Durando, Denver Post, 12 June 2025 In response, protests have broken out as activists see the efforts as capricious and mean-spirited. Philip Elliott, Time, 9 June 2025 See All Example Sentences for capricious
Recent Examples of Synonyms for capricious
Adjective
  • The consequences would be far reaching and upend an already volatile political world.
    Michael Smolens, San Diego Union-Tribune, 3 Aug. 2025
  • The explosion was one of the country’s largest since the 2010 eruption of Mount Merapi, the country’s most volatile volcano.
    Rachel Wolf, FOXNews.com, 2 Aug. 2025
Adjective
  • The vaunting acclaim the retrospective elicited seems largely unwarranted, though in several brilliant sequences scattered throughout his work, the unruly Rozier achieved an impulsive kind of mastery.
    James Quandt, The New York Review of Books, 31 July 2025
  • Jena Malone played the Bennets’ youngest daughter, Lydia Bennet, whose impulsive behavior threatens the family’s reputation.
    Emily Blackwood, People.com, 30 July 2025
Adjective
  • Unlike cheaper rebounders that can feel stiff or unpredictable, this one stays sturdy and responsive.
    Jordan Galloway, SELF, 15 July 2025
  • Not pleased by the unpredictable nature of MP stock?
    Trefis Team, Forbes.com, 14 July 2025
Adjective
  • The panelists discussed episode 4's introduction of a slew of new killers played by Stonestreet, Dastmalchian, Ritter, Neil Patrick Harris, and Uma Thurman, all employed in a secret society by an eccentric billionaire obsessed with serial killers (Peter Dinklage).
    EW.com, EW.com, 26 July 2025
  • To the local big-game purists, sharks were the stray dogs of the sea, and if Mundus was willing to control the population he was accepted as an eccentric asset to the community.
    Pat Smith, Outdoor Life, 24 July 2025
Adjective
  • Hers is the kind of face that inspires directors to tight framing — gleaming, as if smoothed from marble, and yet somehow pliant, changeful.
    Jordan Kisner Jack Davison, New York Times, 11 Oct. 2022
  • Rigorous, blustery winter; winding sleety spring; hot, moist enervating summer; changeful autumn with its dog-days; these are absolutely unknown.
    San Diego Union-Tribune, San Diego Union-Tribune, 1 Jan. 2023
Adjective
  • The company's customer service is known for being inconsistent.
    PC Magazine, PC Magazine, 25 July 2025
  • While Salesforce tries to make this as painless as possible, its UI/UX can be inconsistent and create bottlenecks during onboarding.
    Andrii Kovalchuk, Forbes.com, 25 July 2025
Adjective
  • To do this, the team used a robotic arm equipped with a force and torque sensor to measure air flow in hundreds of spots inside a short model duct to build up a map that shows the unstable danger points in a circular duct and safer ones where the air currents cancel one another out.
    David Szondy August 02, New Atlas, 2 Aug. 2025
  • Various threats could cause the remains of the English warship Northumberland to become unstable.
    Jade Walker, CNN Money, 1 Aug. 2025

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Cite this Entry

“Capricious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/capricious. Accessed 6 Aug. 2025.

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