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
  • The comparison isn't perfect — stock data spans decades, while trends in trading card values are shorter and more volatile — but the outperformance in certain windows is still striking.
    Brandon Gomez, CNBC, 29 Mar. 2026
  • These volatile, double-digit voting shifts directly contrast more stable voting patterns among other major demographic groups, including the Black and white electorates, where shifts from cycle to cycle tend to be just a few points.
    Los Angeles Times, Los Angeles Times, 29 Mar. 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
  • 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, 31 Mar. 2026
  • Air travelers are paying the price of the shutdown with unpredictable, snaking TSA lines at airports across the country, jeopardizing their chances to pass through security on time for their flights.
    Graham Hurley, CNN Money, 31 Mar. 2026
Adjective
  • Across much of Africa, where national electricity grids are often unreliable, mini-grids have emerged as a key alternative.
    ABC News, ABC News, 1 Apr. 2026
  • Thus, the laser likely couldn’t perform properly, making the comparison to the oil unreliable.
    Leslie Baumann, Miami Herald, 1 Apr. 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
  • Five of the cases involved hospice care facilities in several cities across Los Angeles County that submitted false claims to Medicare for patients who were not terminally ill and were not eligible for services, prosecutors said.
    Thao Nguyen, USA Today, 3 Apr. 2026
  • This means that precious time was likely lost at the beginning as police investigated a lead that was based on false assumptions.
    Lizzie Lanuza, StyleCaster, 3 Apr. 2026
Adjective
  • Geopolitically, the world seems to be getting more unstable.
    The Editorial Board, Chicago Tribune, 3 Apr. 2026
  • How geopolitical risk remains a wildcard Gold has long been considered a safe-haven investment to turn to when the world feels unstable, but recent months have shown that relationship isn't always so simple.
    Angelica Leicht, CBS News, 3 Apr. 2026
Adjective
  • Greece is one of the main entry points into the European Union for people fleeing conflict and poverty in the Middle East, Africa and Asia, with many making the short but often treacherous journey from the Turkish coast to nearby Greek islands in small boats.
    ABC News, ABC News, 1 Apr. 2026
  • On the Columbia River and its tributaries, the party had to dig out five new canoes and then paddle them through treacherous rapids.
    Craig Fehrman, The Conversation, 1 Apr. 2026

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Cite this Entry

“Inconstant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstant. Accessed 5 Apr. 2026.

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