1
as in infidelity
lack of faithfulness especially to one's husband or wife
a wife who was long inured to the chronic inconstancy of her husband
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in fluctuation
the frequent and usually sudden passing from one condition to another
the inconstancy of public opinion is such that today's hero may be tomorrow's punching bag
Synonyms & Similar Words
Example Sentences
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Recent Examples of inconstancy
Scientific and engineering advances don't do well in the face of such wild swings and inconstancy.
—
Eric Berger, ArsTechnica, 18 Aug. 2025
Europeans, awakened to the danger of American inconstancy, are scrambling to spend trillions more on defense in coming years.
—Adam Rasmi, Time, 20 June 2025
Years of naval inconstancy with repair work drove Vigor Industrial—a once vibrant and growing maritime conglomerate—into the welcoming arms of hedge funds, which wasted no time in striping the company of value.
—Craig Hooper, Forbes, 20 Feb. 2024
Here, Calabazas appears to be holding a toy windmill in one hand and, in the other, a miniature portrait of a woman, perhaps intended by Velázquez as a commentary on the inconstancy of love.
—Washington Post, 22 Feb. 2023
Due to his inconstancy and Angie’s growing attachment, their flimsy relationship operated on a timescale of eras coalescing into matters of historical record.
—Hannah Gold, Harper’s Magazine , 26 Oct. 2022
But, in the hands of the Fleet Foxes, the pastoral feels less like a particular zone in time and more like a space in which to parse ideas of self-reliance, the inconstancy of love, the pain of intimacy, the fear of loss, the sting of betrayal, and the strange but urgent project of hope.
—Brandon Taylor, The New Yorker, 17 Oct. 2022
Over the past 20 years, the United States has undermined its own global leadership by inconstancy.
—Damon Linker, The Week, 9 June 2021
Eric Berger, ArsTechnica, 18 Aug. 2025
Europeans, awakened to the danger of American inconstancy, are scrambling to spend trillions more on defense in coming years.
—Adam Rasmi, Time, 20 June 2025
Years of naval inconstancy with repair work drove Vigor Industrial—a once vibrant and growing maritime conglomerate—into the welcoming arms of hedge funds, which wasted no time in striping the company of value.
—Craig Hooper, Forbes, 20 Feb. 2024
Here, Calabazas appears to be holding a toy windmill in one hand and, in the other, a miniature portrait of a woman, perhaps intended by Velázquez as a commentary on the inconstancy of love.
—Washington Post, 22 Feb. 2023
Due to his inconstancy and Angie’s growing attachment, their flimsy relationship operated on a timescale of eras coalescing into matters of historical record.
—Hannah Gold, Harper’s Magazine , 26 Oct. 2022
But, in the hands of the Fleet Foxes, the pastoral feels less like a particular zone in time and more like a space in which to parse ideas of self-reliance, the inconstancy of love, the pain of intimacy, the fear of loss, the sting of betrayal, and the strange but urgent project of hope.
—Brandon Taylor, The New Yorker, 17 Oct. 2022
Over the past 20 years, the United States has undermined its own global leadership by inconstancy.
—Damon Linker, The Week, 9 June 2021
Recent Examples of Synonyms for inconstancy
Noun
-
With whom, by whom, and thanks to whom is of no significance to him whatsoever, so it can hardly be considered infidelity.—
Agnieszka Szpila,
Harpers Magazine,
24 Mar. 2026
-
Fans were outraged when rumors of infidelity on the Irish actor’s part began to circulate.—
Fleurine Tideman,
Glamour,
23 Mar. 2026
Noun
-
Perimenopause is the transitional period before menopause, marked by fluctuations in the hormones estrogen and progesterone.—
Ann Juliano,
The Conversation,
24 Mar. 2026
-
Bodies naturally change due to aging, hormonal shifts, weight fluctuation, and lifestyle adjustments, which means fit should be reassessed regularly.—
Malana VanTyler
March 20,
Fort Worth Star-Telegram,
20 Mar. 2026
Noun
-
The Bible teaches that lying, stealing, adultery and coveting your neighbor’s property are sins.—
Sun Sentinel Editorial Board,
Sun Sentinel,
16 Mar. 2026
-
The facile novelty of adultery is its own mask, a sexy way of dressing up a deep, frightened longing for security.—
Sara Holdren,
Vulture,
6 Mar. 2026
Noun
-
Since high-frequency acoustic oscillations can also be used to manipulate quantum states, phonon lasers could be deployed to study them in greater detail and open avenues for future quantum sensing and quantum computing.—
Ameya Paleja,
Interesting Engineering,
30 Mar. 2026
-
The oscillations are influenced by the structure of the Sun's interior, which is defined by flows of plasma within the convective layer.—
Keith Cooper,
Space.com,
26 Mar. 2026
Noun
-
Mamdani received intense backlash over the appeal from advocacy groups, who branded the flip-flop a betrayal.—
Josephine Stratman,
New York Daily News,
25 Mar. 2026
-
As the consequences of that initial act spread through the household, the story develops through status, bloodline and resentment, building into a period drama centered on betrayal, ambition and the struggle for position within the family.—
Emiliano de Pablos,
Variety,
24 Mar. 2026
Noun
-
Pictures removed Azmoun later removed the pictures but was still lambasted on state TV on Thursday with soccer pundit Mohammad Misaghi saying the striker’s actions had been an act of disloyalty.—
Reuters,
CNN Money,
20 Mar. 2026
-
Research on group dynamics shows that dissent is often interpreted as disloyalty rather than contribution.—
Benjamin Laker,
Forbes.com,
16 Jan. 2026
Noun
-
Any time there is a crisis in Iran, the 1953 British-American coup against Prime Minister Mohammad Mossadegh is dusted off as Exhibit A in the case against Western perfidy.—
Bobby Ghosh,
Time,
5 Mar. 2026
-
But the mayor’s dramatic tale of his predecessor’s fiscal fiddling was designed with a clear political agenda in mind: both to underline the magnitude of the problem and to identify the villains responsible for this perfidy.—
Washington Post,
Washington Post,
29 Jan. 2026
Cite this Entry
“Inconstancy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstancy. Accessed 1 Apr. 2026.
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