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
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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 Synonyms for inconstancy
Noun
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Kate divorced Jon, 48, in 2009 amid reports of infidelity surrounding her now ex-husband.
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Skratch also interviewed other sources for its story who alleged infidelity by Mickelson amid abrupt endings of memberships at other golf clubs.
Noun
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There is some fluctuation year to year in the baseball itself, though the league now owns and controls production of the on-field ball.
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Duration measures a bond’s price sensitivity to interest rate fluctuations, and bonds with longer maturity dates tend to have greater duration.
Noun
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The filings alleged adultery as the reason behind the divorce.
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Public opinion is against adultery.
Noun
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Rapid oscillations trigger muscle contractions that can indirectly support lymph movement.
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When two black holes collide, their song ripples through the very fabric of existence, creating a thundering chorus of oscillations in spacetime that echo across the universe like the fading gong of a bell.
Noun
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In movies, friendships end with a big blowup after there has been a significant betrayal by one party.
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Whether discussing policing, immigration, criminal justice or foreign policy, compromise is treated as betrayal.
Noun
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And still, some people insist that admitting the flaws in our history — and our present — constitutes an act of innate disloyalty.
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Treating rumors as diagnostic signals of uncertainty or weak trust, rather than disloyalty, helps leaders improve communication and align words with observable actions.
Noun
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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.
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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.
Cite this Entry
“Inconstancy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/inconstancy. Accessed 5 Jul. 2026.
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