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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 In March, Johnson ordered the first national lockdown, caught COVID, and later spent three nights in the I.C.U. For months, the country staggered from one set of restrictions to the next—a reflection of Johnson’s inconstant attitude toward the virus. Sam Knight, The New Yorker, 25 Mar. 2024 Song as a different kind of time, as heroin became her own inconstant clock. Elizabeth Barber, Harper's Magazine, 2 Feb. 2024 That’s the one constant in this inconstant series. Dave Hyde, Sun Sentinel, 28 May 2022 Oedipus and the Riddle Quadruped in the dawn, erect at noon, and wandering on three legs across the blind spaces of afternoon; so the eternal Sphinx saw her inconstant brother, Man. Sean Carroll, Discover Magazine, 19 Aug. 2011 See All Example Sentences for inconstant
Recent Examples of Synonyms for inconstant
Adjective
  • Relievers have always been volatile, prone to inconsistency and bouts of wildness.
    Dennis Lin, New York Times, 5 Apr. 2025
  • Mitch McConnell Breaks with Trump by Blasting Global Tariff Plan: 'Trade Wars Hurt Working People Most' While stocks are volatile, experts advise relying on stable cash investments, which will be able to mitigate the years after retirement when people may need to dip into savings.
    Rachel Raposas, People.com, 4 Apr. 2025
Adjective
  • Foreign military interventions can change victims from being viewed as a nuisance into being seen as powerful and traitorous enemies, potentially capable of exacting revenge, seizing power, or breaking away from the state.
    Benjamin A. Valentino, Foreign Affairs, 17 Oct. 2011
  • But what will their first move as a traitorous duo be?
    Tom Smyth, Vulture, 27 Feb. 2025
Adjective
  • Fittingly, given the unpredictable nature of the campaign, who knows what the result or circumstances will be at Tottenham Hotspur on the day Hurzeler’s first season draws to a close?
    Andy Naylor, New York Times, 9 Apr. 2025
  • Probably Not Complicating matters is that Trump’s trade policy is unpredictable.
    Michael Kan, PC Magazine, 8 Apr. 2025
Adjective
  • There are several advanced monitoring components: • Outlier Detection: Flags anomalous predictions that may be unreliable for production use, particularly important given the noisy nature of real-world data.
    Neel Sendas, Forbes.com, 4 Apr. 2025
  • To be sure, these predictions are notoriously unreliable, but the fact remains that Wall Street, which cheered Trump’s election, is losing faith.
    John Cassidy, New Yorker, 3 Apr. 2025
Adjective
  • 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
  • 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
Adjective
  • Kim Soo Hyun also claimed that many text messages that had been distributed online, purportedly between him and Kim Sae-ron, were false.
    Jessie Yeung, CNN Money, 1 Apr. 2025
  • Nothing progressive or compassionate about continuing that false hope which attracts people to make those journeys.
    Arkansas Online, Arkansas Online, 1 Apr. 2025
Adjective
  • This unstable dwelling, with its crumbling walls and lack of proper bedrooms for the children, comes to stand for a far more sinister lack of boundaries.
    Leslie Camhi, New Yorker, 4 Apr. 2025
  • If someone is making credible threats or is mentally unstable, existing laws already allow for arrests, mental health evaluations, and emergency detentions—all of which come with constitutional safeguards.
    Lee Habeeb, MSNBC Newsweek, 4 Apr. 2025
Adjective
  • Their stories are full of danger: treacherous rivers, unforgiving terrain, and the constant threat of violence and exploitation.
    Alan Taylor, The Atlantic, 27 Mar. 2025
  • But in between lies a tense and treacherous journey…In Wolof and French with English subtitles.
    Ut Community Press, San Diego Union-Tribune, 25 Mar. 2025

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Cite this Entry

“Inconstant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstant. Accessed 15 Apr. 2025.

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