Definition of inconstantnext
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Synonym Chooser

How does the adjective inconstant differ from other similar words?

Some common synonyms of inconstant are capricious, fickle, mercurial, and unstable. While all these words mean "lacking firmness or steadiness (as in purpose or devotion)," inconstant implies an incapacity for steadiness and an inherent tendency to change.

an inconstant friend

When could capricious be used to replace inconstant?

The meanings of capricious and inconstant largely overlap; however, capricious suggests motivation by sudden whim or fancy and stresses unpredictability.

an utterly capricious critic

Where would fickle be a reasonable alternative to inconstant?

While in some cases nearly identical to inconstant, fickle suggests unreliability because of perverse changeability and incapacity for steadfastness.

performers discover how fickle fans can be

When can mercurial be used instead of inconstant?

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

made anxious by her boss's mercurial temperament

When would unstable be a good substitute for inconstant?

The words unstable and inconstant can be used in similar contexts, 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 inconstant 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 Energy experts have been warning that electricity is likely to get more expensive and less reliable unless renewable power that waxes and wanes under inconstant sunlight and wind is backed up by generators that can run whenever needed. IEEE Spectrum, 9 May 2024 The key finding is that as the distance grows greater, the coupling stops growing, and the inconstant constant becomes constant once more. Stanley J. Brodsky, Scientific American, 16 Apr. 2024 See All Example Sentences for inconstant
Recent Examples of Synonyms for inconstant
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
  • Russell fabricates a lie with the rest of the villains, and the heroes believe it, despite a warning from one traitorous tribemate.
    Literary Hub, Literary Hub, 5 Dec. 2025
  • That video drew the ire of President Donald Trump, who deemed it traitorous.
    Mike Wall, Space.com, 25 Nov. 2025
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
  • While Fastvold spent years digging into Lee’s history, her tribute to the trailblazer’s bygone dream is not overly concerned with biographical accuracy — as the film's admittedly unreliable narrator makes clear.
    Mike Miller, Entertainment Weekly, 14 Jan. 2026
  • However, these boat routes can be limited, and buying tickets on-site has historically been unreliable due to shifting timetables.
    Maria Williams, USA Today, 11 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
  • Plants that provide winter interest, including sedums, goldenrod, blue false indigo, and ornamental grasses.
    Lauren Landers, Better Homes & Gardens, 11 Jan. 2026
  • Today’s teenagers can produce a TikTok video in minutes, but how many of them will learn to analyze the president’s false claim that Tylenol causes autism?
    Mary Ellen Klas, Twin Cities, 11 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
Adjective
  • As challenging and treacherous as international politics could be, Janet didn’t want to return to North Iowa.
    Literary Hub, Literary Hub, 12 Jan. 2026
  • The Traitors season 4 Ready for more shocking betrayals, treacherous twists and cold-blooded murder — but with your favorite reality TV stars and celebrities?
    Rebecca Aizin, PEOPLE, 9 Jan. 2026

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Cite this Entry

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

Last Updated: - Updated example sentences
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