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 attorney general’s interpretation, the court said, was not unreasonable or capricious, merely different from the administrative law judge’s. Encyclopedia Britannica, 22 Apr. 2026 Then again, the president is capricious and that could change. The Editorial Board, Chicago Tribune, 3 Apr. 2026 Baseball by its capricious nature requires multiple games between teams to determine a legitimate victor. Kevin Acee, San Diego Union-Tribune, 17 Mar. 2026 The lawsuit, brought last year by a coalition of medical groups and doctors, sought to block mass policy changes at HHS, arguing the agency's decisions were arbitrary and capricious. Jacob Rosen, CBS News, 16 Mar. 2026 See All Example Sentences for capricious
Recent Examples of Synonyms for capricious
Adjective
  • Outperformance in the next decade won’t come from lower costs, but instead from the ability to keep operating when markets turn volatile.
    Victor Nian, Fortune, 10 May 2026
  • It’s destined to be remembered as one of the most volatile and surprising political contests modern-day California has ever seen.
    Los Angeles Times, Los Angeles Times, 10 May 2026
Adjective
  • That means being cautious and restrained, aiming for stable production or slow, steady growth, instead of impulsive moves.
    Camila Domonoske, NPR, 7 May 2026
  • This isn’t a time for impulsive decision-making, however.
    R. Eric Thomas, Chicago Tribune, 4 May 2026
Adjective
  • Intercepting Mach 5 hypersonic weapons in space Hypersonic weapons, traveling at speeds of Mach 5 (five times the speed of sound) and above with unpredictable maneuvers, pose significant challenges to traditional missile defenses.
    Chris Young, Interesting Engineering, 12 May 2026
  • Prices are subject to rapid, unpredictable changes due to factors like, but not limited to, supply/demand, weather, and geopolitical events.
    USA TODAY, USA Today, 12 May 2026
Adjective
  • In 1895, an eccentric businessman named Henry Gaylord Wilshire began developing a luxury residential community on what was then the western edge of Los Angeles.
    Oren Peleg, New Yorker, 9 May 2026
  • That may be because Kahn, whose assemblage art is, in simple terms, spontaneous and non-conformist with its amorphous shapes and eccentric use of color.
    José Criales-Unzueta, Vanity Fair, 8 May 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
  • When that early foundation is delayed or inconsistent, the effects don’t stay confined to those first years.
    Tina Dello Russo, Boston Herald, 10 May 2026
  • Why is the team suddenly playing stellar defense, after inconsistent performances all season?
    Louisa Thomas, New Yorker, 10 May 2026
Adjective
  • An unstable ice block delayed Mount Everest’s climbing season until late April, yet around 464 climbers and their guides remain determined despite the danger and soaring permit costs.
    Binaj Gurubacharya, Los Angeles Times, 7 May 2026
  • While mixtures of two or three metals were messy and unstable, the five-metal combination paradoxically self-organized into a single, uniform product, streamlining 31 possible chemical outcomes into a single, precise nanocrystal.
    Mrigakshi Dixit, Interesting Engineering, 7 May 2026

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Cite this Entry

“Capricious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/capricious. Accessed 15 May. 2026.

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