INCONSTANCY Synonyms: 45 Similar and Opposite Words

inconstancy

noun

(ˌ)in-ˈkän(t)-stən(t)-sē

Definition of inconstancy

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

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

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 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 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

Gripped by a paralyzing fear for the fate of her future children, Naama returns to the same monument where the infidelity took place; there, her parents appear before her.

— Katie Campione, Deadline, 4 Aug. 2026
In June, The New York Times spoke to multiple women who accused Platner of physical intimidation, infidelity and disturbing comments.

— Antonio Pequeño IV, Forbes.com, 25 July 2026

Definition of infidelity

Noun

Her adultery story initially evokes the imprisoned girl’s compensatory reveries, but over time its focus shifts.

— Katy Waldman, New Yorker, 3 Aug. 2026
The name has Biblical undertones and refers to a theory that Adam (of Adam and Eve) had a first wife named Lilith, who committed adultery with Satan and transformed into an evil being who kidnaps children.

— Katie Mather, PEOPLE, 23 July 2026

Definition of adultery

Noun

In addition to heart rate, calories burned, distance, duration, elevation, and speed, Samsung smartwatches track advanced running form metrics, including asymmetry, contact time, flight time, regularity, vertical oscillation, and stiffness.

— Andrew Gebhart, PC Magazine, 10 Aug. 2026
Five months of oscillation between bombing and negotiation have left Trump with no good options.

— semafor.com, semafor.com, 3 Aug. 2026

Definition of oscillation

Noun

Jessica transforms the betrayal of a generation taught that work would protect them into visceral cinema, where illness cracks the skin while luxury masks collapse.

— Marta Balaga, Variety, 7 Aug. 2026
This hardly is the first instance of the betrayal of that trust.

— The Editorial Board, Chicago Tribune, 7 Aug. 2026

Definition of betrayal

Noun

And still, some people insist that admitting the flaws in our history — and our present — constitutes an act of innate disloyalty.

— Orlando Sentinel Editorial Board, The Orlando Sentinel, 28 June 2026
Treating rumors as diagnostic signals of uncertainty or weak trust, rather than disloyalty, helps leaders improve communication and align words with observable actions.

— Benjamin Laker, Forbes.com, 19 June 2026

Definition of disloyalty

Noun

Platner, indeed, has boiled down nearly all political problems to the perfidy of sinister oligarchs.

— Jonathan Chait, The Atlantic, 6 July 2026
If the landing had been faked, the Soviets would have figured it out and would have loved to reveal to the world America’s perfidy.

— Encyclopedia Britannica, Encyclopedia Britannica, 14 May 2026

Definition of perfidy

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inconstancies

inconstancy

inconstant

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“Inconstancy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstancy. Accessed 13 Aug. 2026.

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Synonyms of inconstancy

noun

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