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
  • 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 Mar. 2026
  • But tungsten prices are particularly volatile during wartime – it’s used in armor-piercing artillery.
    David Goldman, CNN Money, 21 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
  • Airport conditions have become increasingly unpredictable with swelling crowds seen in major hubs.
    Arkansas Online, Arkansas Online, 25 Mar. 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, 24 Mar. 2026
Adjective
  • Justin Wrobleski — Can give them some length out of the bullpen, plus can step into the rotation if Sasaki or Sheehan prove too unreliable before Snell returns.
    Assistant Sports Editor, Los Angeles Times, 24 Mar. 2026
  • Their agencies — the Centers for Disease Control and Prevention, the Food and Drug Administration, the National Institutes of Health, the WHO — were unreliable and often malevolent.
    David Blumenthal, STAT, 24 Mar. 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
  • Lebohang Morake — the Grammy-winning South African composer behind the film’s opening Zulu vocals — filed a federal civil complaint in California on March 16 against the comedian, Learnmore Jonasi, alleging that the translation is false and damaging to his life’s work.
    Joe Kottke, NBC news, 27 Mar. 2026
  • Rebollo, a 58-year-old Chula Vista resident, pleaded guilty in December in San Diego federal court to one count of wire fraud conspiracy, one count of filing a false tax return and one count related to Social Security fraud.
    Alex Riggins, San Diego Union-Tribune, 27 Mar. 2026
Adjective
  • Weak—or even nonexistent—overnight freezes have left the snowpack soft and unstable early in the day, limiting the window for safe travel.
    Callie Zanandrie, CBS News, 27 Mar. 2026
  • But sometime between 100 million and 200 million years ago, the moon's orbit became unstable, and a series of gravitational interactions sent Chrysalis on a fatal, grazing encounter with Saturn.
    Sharmila Kuthunur, Space.com, 27 Mar. 2026
Adjective
  • That led to a treacherous trek to Germany, which became a near-death experience.
    Greg Riddle, Dallas Morning News, 26 Mar. 2026
  • For Prisoner, Rahim plays treacherous convict Tibor Stone, whose life is put in the hands of a young, principled prison officer Amber (Izuka Hoyle).
    Diana Lodderhose, Deadline, 26 Mar. 2026

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Cite this Entry

“Inconstant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstant. Accessed 30 Mar. 2026.

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