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Synonym Chooser

How does the adjective fickle differ from other similar words?

Some common synonyms of fickle are capricious, inconstant, mercurial, and unstable. While all these words mean "lacking firmness or steadiness (as in purpose or devotion)," fickle suggests unreliability because of perverse changeability and incapacity for steadfastness.

performers discover how fickle fans can be

In what contexts can capricious take the place of fickle?

In some situations, the words capricious and fickle are roughly equivalent. However, capricious suggests motivation by sudden whim or fancy and stresses unpredictability.

an utterly capricious critic

When could inconstant be used to replace fickle?

The meanings of inconstant and fickle largely overlap; however, inconstant implies an incapacity for steadiness and an inherent tendency to change.

an inconstant friend

When is mercurial a more appropriate choice than fickle?

While the synonyms mercurial and fickle are close in meaning, mercurial implies a rapid changeability in mood.

made anxious by her boss's mercurial temperament

When might unstable be a better fit than fickle?

The synonyms unstable and fickle are sometimes interchangeable, but 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 fickle His instinct for spotting quicksilver changes in fickle consumer tastes was second to none. Pete Born, Footwear News, 15 June 2025 But that's kind of just up to the nature of television, which is, which is fickle. Outside Online, 23 July 2025 The case is just one example of the fickle nature of public sector labor law in Illinois, where legal precedent regarding which workers are permitted to form unions and which are not can vary even within the same workplace. Talia Soglin, Chicago Tribune, 15 July 2025 Matthew will inevitably be cast out of Oliver’s circle–Oliver is fickle and insecure and sets his cohort against each other. Taylor Antrim, Vogue, 21 July 2025 See All Example Sentences for fickle
Recent Examples of Synonyms for fickle
Adjective
  • Not too happy about the volatile nature of PLTR stock?
    Trefis Team, Forbes.com, 15 Aug. 2025
  • Broadening market As the S & P 500 and Nasdaq hit fresh records again on Wednesday, there is a simultaneous broadening and a move into more volatile parts of the market by investors.
    Frank Holland, CNBC, 14 Aug. 2025
Adjective
  • Clarisse looks intimidating climbing out of a boat, as does Bushnell’s traitorous Luke, who wields a sharp-looking knife.
    Dessi Gomez, Deadline, 24 July 2025
  • There's a delicious whodunit aspect to it, too, as the list of five potentially traitorous suspects includes the operative's own high-profile wife (Cate Blanchett).
    Brian Truitt, USA Today, 4 July 2025
Adjective
  • The best time for aurora spotting is 2 am, when the sky is likely to be the darkest, but since the arrival of the solar storm is unpredictable, it's recommended to look throughout the night for the event.
    Staff Author, Travel + Leisure, 7 Aug. 2025
  • Renewables may be homegrown, but their output is inherently unpredictable.
    Andrew Saunders, Fortune, 5 Aug. 2025
Adjective
  • Meanwhile, the statement described the pollster as unreliable, citing past inaccuracies.
    Martha McHardy, MSNBC Newsweek, 15 Aug. 2025
  • Free parking eliminates a major logistical headache and financial burden, especially when downtown parking prices are high or public transit is unreliable.
    Gleb Tsipursky, The Orlando Sentinel, 15 Aug. 2025
Adjective
  • The Mass and Cass crisis has seeped into surrounding neighborhoods, making life in Boston treacherous.
    Boston Herald editorial staff, Boston Herald, 27 July 2025
  • Find one of the fairway bunkers and your second shot is treacherous and, potentially, tournament ending with water lurking down the entire left side of the hole.
    Jace Frederick, Twin Cities, 22 July 2025
Adjective
  • Fleeing from violence and a dark history, a man adopts a false identity looking to start over in the idyllic Canary Islands' town of Arcadia, where a new love interest could change his life — if his past doesn't come back to haunt him.
    Veronica Villafañe, Forbes.com, 8 Aug. 2025
  • During the week, Fernande lived alone in the family’s Paris apartment under a false name: Danielle Deschampe.
    Marc Snegg, Time, 7 Aug. 2025
Adjective
  • If the United States is an unreliable partner and a source of chaos these countries will turn elsewhere, building new security and trade alliances that don’t depend on the inconstant, waning superpower.
    Lydia Polgreen, Mercury News, 27 May 2025
  • Much like a patient who fails to finish a course of antibiotics, inconstant policies may incur all the costs and none of the benefits.
    David Carlin, Forbes, 24 Mar. 2025

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Cite this Entry

“Fickle.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fickle. Accessed 21 Aug. 2025.

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