Definition of capriciousnext
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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 unions have asked the court to declare that both OMB and OPM have exceeded their statutory authority and acted in an arbitrary and capricious manner, and to invalidate any actions that may come from the memos and guidance issued. Franco Ordoñez, NPR, 2 Oct. 2025 First, few outdoor sports are as capricious in terms of conditions as surfing. Outside Online, 1 Oct. 2025 Aldo has found the immigration system capricious and confusing. Jon Lee Anderson, New Yorker, 29 Sep. 2025 Cape Sweater Massimo Dutti Asymmetric Knit Cape A single afternoon in Milan can cycle through sunshine and rain at the drop of a hat; locals equip themselves for the capricious weather by dressing in layers. Abbey Hudetz, Travel + Leisure, 27 Sep. 2025 See All Example Sentences for capricious
Recent Examples of Synonyms for capricious
Adjective
  • Key's Jerry is a disruption through and through, knocking everything just a little off-kilter with each volatile appearance.
    Shania Russell, Entertainment Weekly, 9 Jan. 2026
  • Paul Weller is still a godlike figure, but the Jam themselves had a really distinct chemistry and sounded very volatile onstage and are among the great punk groups.
    Devon Ivie, Vulture, 8 Jan. 2026
Adjective
  • Your impulsive actions might disrupt something.
    Georgia Nicols, Denver Post, 13 Jan. 2026
  • While genuinely intrigued by Lucy, his inconsistency and impulsive reactions complicate their relationship, which was already competing with the lingering shadow of Stephen.
    Valerie Mesa, PEOPLE, 13 Jan. 2026
Adjective
  • Austin immigration advocates have argued that similar changes in Austin, and a lack of clarification from the police department on its policy, sends a message that contact with officers — even as a victim or witness — carries unpredictable risks for immigrant families.
    Emiliano Tahui Gómez, Austin American Statesman, 10 Jan. 2026
  • The occurrence of abdominal pain is often unpredictable and can change over time.
    Pamela Assid Woughter, Verywell Health, 9 Jan. 2026
Adjective
  • An eccentric wood and steel door hints at the residence’s remarkable forms.
    Edward Keegan, Chicago Tribune, 11 Jan. 2026
  • Walking into the hotel, you’re immediately greeted by eccentric art pieces, from sculptures to paintings and photographs, as well as the hotel’s staple mascot, the four-foot red penguin sculpted from recycled plastic.
    Condé Nast, Condé Nast Traveler, 10 Jan. 2026
Adjective
  • 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
  • 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
Adjective
  • Trump administration officials have suggested that Powell either lied about changes to the building or altered plans in ways that are inconsistent with those approved by planning commissions.
    Christopher Rugaber, Los Angeles Times, 13 Jan. 2026
  • Drinkers sometimes complained that wines tasted weird and crazy, not just wild, and inconsistent from bottle to bottle.
    Bloomberg, Mercury News, 13 Jan. 2026
Adjective
  • This technique, sometimes called ski cutting, involves traversing across a slope to try and get unstable snow to slide down.
    Madison Dapcevich, Outside, 13 Jan. 2026
  • Antioxidants are compounds found in certain foods that help protect your cells from damage and disease caused by the build-up of unstable molecules called free radicals.
    Lauren Panoff, Verywell Health, 13 Jan. 2026

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Cite this Entry

“Capricious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/capricious. Accessed 16 Jan. 2026.

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