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 detention centers, possibly re-education centers, operated in total secrecy for capricious punishments. Letters To The Editor, The Orlando Sentinel, 19 Feb. 2026 No warrant, no charges, just capricious face-breaking violence. Literary Hub, 10 Feb. 2026 In a city already numb to Trump’s capricious moves, this one still left everyone doing a double-take. Philip Elliott, Time, 3 Feb. 2026 The judge also said the administration’s decision had been arbitrary and capricious, given its failure to consider Vineyard Wind’s interest in having the project continue on its schedule to a March completion. Mark Chediak, Bloomberg, 27 Jan. 2026 See All Example Sentences for capricious
Recent Examples of Synonyms for capricious
Adjective
  • Ultraviolet light from its host star triggers the creation of sulfur dioxide in the upper atmosphere, and a massive sub-surface magma ocean acts as a buffer, storing and releasing volatile gases over billions of years.
    Mrigakshi Dixit, Interesting Engineering, 16 Mar. 2026
  • The volatile crude oil prices causing retail gasoline prices to swing up sharply have had the same effect on the price of jet fuel.
    Arkansas Online, Arkansas Online, 15 Mar. 2026
Adjective
  • That decline often leads to impulsive or overly cautious actions.
    Fazila Shahid, Miami Herald, 13 Mar. 2026
  • Just be wise about your investments — avoid impulsive window shopping in favor of researching quality items that increase your quality of life.
    Tarot.com, Sun Sentinel, 12 Mar. 2026
Adjective
  • Strengthening the layers Epoch 2 solves the problem of unpredictable missile paths by using high-tech heat sensors and laser communication.
    Mrigakshi Dixit, Interesting Engineering, 11 Mar. 2026
  • Revenue hinges on capital gains from investments, bonuses to executives and windfalls from new stock offerings, all of which are grossly unpredictable.
    Seema Mehta, Los Angeles Times, 10 Mar. 2026
Adjective
  • There's macho panache and white-knuckle action sequences aplenty as Pitt's eccentric Formula 1 veteran plays reluctant mentor to a hotshot rookie (Damson Idris).
    Brian Truitt, USA Today, 12 Mar. 2026
  • The Zetter Clerkenwell The Zetter Clerkenwell feels like staying at an eccentric aunt’s quintessentially London townhouse.
    Zoey Goto, Travel + Leisure, 12 Mar. 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
  • The Horned Frogs are undersized at guard and in the frontcourt, their offense can often be inconsistent with its ability to shoot from outside, and the rotation really goes only about seven deep.
    Steven Johnson, Fort Worth Star-Telegram, 14 Mar. 2026
  • But immigration lawyers say the Department of Homeland Security’s adherence to that limit has been wildly inconsistent over the past year.
    Mike Hixenbaugh, NBC news, 13 Mar. 2026
Adjective
  • This is why the price may soon surpass a new record, even with other market conditions unstable.
    Matt Richardson, CBS News, 12 Mar. 2026
  • This novel explores the unique bond that siblings in unstable families can form, and is especially shrewd on how sisters define themselves in negative space.
    Brittany Allen, Literary Hub, 11 Mar. 2026

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Cite this Entry

“Capricious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/capricious. Accessed 18 Mar. 2026.

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