Definition of inconstantnext
1
2

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
  • Gonzalo Fuentes | Reuters Global stock markets have been volatile as investors continue to assess geopolitical risks in the Middle East, fundamentals and valuations of companies in the artificial intelligence (AI) market and key economic data.
    TipRanks.com Staff, CNBC, 28 June 2026
  • The crisis started after officials responded to GKN’s Garden Grove facility on May 21 and soon realized a volatile chemical tank was at risk of exploding or causing a major spill.
    Jaclyn Cosgrove, Los Angeles Times, 27 June 2026
Adjective
  • And at the very center of Hell is Satan himself, the traitorous Archangel Lucifer, depicted as a monstrous creature with wings and three heads.
    Keith Cooper, Space.com, 11 May 2026
  • 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
Adjective
  • This unpredictable chaos, fueled by technological glitches and administrative issues, is worsening as peak summer travel begins.
    Larry Olmsted, Forbes.com, 23 June 2026
  • However, construction zones are inherently unpredictable.
    Kurt Knutsson, FOXNews.com, 23 June 2026
Adjective
  • Local computing can shorten response times and keep critical software running even when network links become unreliable.
    Aamir Khollam, Interesting Engineering, 24 June 2026
  • Existing safety tools were unreliable, so Adler decided to design a new one.
    Lydia T. Blanco, Forbes.com, 23 June 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
  • Nadi Jabari, 46, was charged with false personation, unlawful use of a blue light and possession of a firearm during the commission of a felony, the Hillsborough County Sheriff's Office said in a news release.
    Liam Quinn, PEOPLE, 26 June 2026
  • Back when King was indicted in the summer of 2025, about 200 of them gathered in a Cleburne conference hall to make plans about how to support the sheriff, and decried the allegations against him as false attacks on King’s character.
    Lillie Davidson, Fort Worth Star-Telegram, 26 June 2026
Adjective
  • The conservation team will secure unstable paint before cleaning the works with fiber lasers.
    News Desk, Artforum, 29 June 2026
  • Most of the people with the dragons are either unstable or idiots, or both.
    Nicholas Quah, Vulture, 29 June 2026
Adjective
  • After death, the garden becomes more treacherous.
    Literary Hub, Literary Hub, 26 June 2026
  • For 250 years, between 1565 and 1815, the famous galleon fleet left the port of Manila for the port of Acapulco and back, traveling for months over the treacherous ocean while carrying a lucrative flow of foods, silver, fabrics and culinary traditions.
    Daniel Hernandez, Los Angeles Times, 24 June 2026

Browse Nearby Words

Cite this Entry

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster