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

These can range from infidelity and intimidation to aggression and extreme violence.

— David DeMatteo, The Conversation, 20 Oct. 2026
Paxton has faced scrutiny during the campaign for his accumulation of wealth, his past legal troubles, allegations of infidelity, dealings in the attorney general’s office and his 2023 impeachment.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 18 Oct. 2026

Definition of infidelity

Noun

The idea shows up in mythology—from Zeus transforming into every kind of animal to commit adultery to Psyche being warned that her new husband, Eros, would be grotesque—as well as in folklore and countless retellings of Beauty and the Beast.

— Janelle Okwodu, Vogue, 26 Oct. 2026
Specifically, Pickard said his understanding of the immunity deal is that his testimony about adultery and an inappropriate relationship cannot be used against him as part of the Uniform Code of Military Justice.

— Matt Schooley, CBS News, 22 Oct. 2026

Definition of adultery

Noun

That means the hairspring can maintain a constant, undisturbed oscillation regardless of external forces, thereby increasing accuracy.

— Rachel Cormack, Robb Report, 20 Oct. 2026
That haziness gets more distorted on the title track, which hits its apex with siren-like oscillations.

— Cassidy Sollazzo, Pitchfork, 14 Oct. 2026

Definition of oscillation

Noun

There’s a sense that doubt would be a form of disloyalty to what came before you, or that admitting a weakness undermines the confidence of the people around you.

— Flavio Maluf, Forbes.com, 20 Oct. 2026
During the government’s response to protests in 2014, Maduro instructed officials to increase the intensity of interrogations involving military personnel suspected of disloyalty, prosecutors say.

— Antonio María Delgado, Miami Herald, 15 Oct. 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

Browse Nearby Words

inconstancies

inconstancy

inconstant

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Style

“Inconstancy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstancy. Accessed 27 Oct. 2026.

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Synonyms of inconstancy

noun

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