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 The self is a shifting, inconstant phenomenon, brain and body ever transforming in time and space, with no clear delineation between what is self and what is other. Lauren Groff, The Atlantic, 20 Aug. 2025 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 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
  • Quick recovery after extinction Interestingly, the fossil identification suggests that even in the immediate, volatile aftermath of a global catastrophe, these creatures were not isolated.
    Mrigakshi Dixit, Interesting Engineering, 23 Feb. 2026
  • Flying is the company’s second Nova-C lander named Athena featuring NASA’s PRIME-1 drill, to land a drill and mass spectrometer near the south pole of the moon in order to demonstrate the feasibility of in-situ resource utilization (ISRU) and measure the volatile content of subsurface samples.
    Richard Tribou, The Orlando Sentinel, 22 Feb. 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
  • With unpredictable weather on the horizon, the barn jacket is a happy medium between light jackets and heavy coats.
    India Roby, Glamour, 24 Feb. 2026
  • If your income is unpredictable or already stretched thin, that commitment could create more stress instead of less.
    Angelica Leicht, CBS News, 24 Feb. 2026
Adjective
  • Her unreliable parents are fascinatingly fleshed out by Jim Hogan and Laura Woyasz.
    Rob Hubbard, Twin Cities, 25 Feb. 2026
  • Such as dilapidated neighborhoods, toxic air, unkept public parks, failing infrastructure, unreliable public transportation and low wages.
    Chicago Tribune, Chicago Tribune, 22 Feb. 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
  • But Republicans are worried that the popular but scandal-plagued Paxton could eventually win the primary, boosting Democrats’ chances of finally flipping the seat blue after decades of false hope.
    Naomi Lim, The Washington Examiner, 28 Feb. 2026
  • That same user later posted another video acknowledging police’s statement about the false rumors, which only has about 3,000 views.
    Amanda Rosa, Miami Herald, 27 Feb. 2026
Adjective
  • On such inherently unstable ground, the composure of each individual shot feels all the more deliberate.
    Justin Chang, New Yorker, 27 Feb. 2026
  • An employee managed to speak to Giddens but could not reach him because the ground surrounding him was unstable.
    Michelle Del Rey, USA Today, 27 Feb. 2026
Adjective
  • Conditions were treacherous and the roads were impassable.
    Jim Woods, Chicago Tribune, 26 Feb. 2026
  • On top of treacherous road conditions, more than 100,000 Bay Staters remain in the dark and without power following Monday’s mammoth nor’easter, which, for some communities, surpassed the Blizzard of ’78 in terms of impact.
    Lance Reynolds, Boston Herald, 25 Feb. 2026

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Cite this Entry

“Inconstant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstant. Accessed 1 Mar. 2026.

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