unfaithfulness

noun

Definition of unfaithfulnessnext
1
as in infidelity
lack of faithfulness especially to one's husband or wife he eventually forgave his wife's unfaithfulness

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Antonyms & Near Antonyms
2
as in betrayal
the act or fact of violating the trust or confidence of another the jaw-dropping unfaithfulness of the person she had considered her best friend was deeply hurtful

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Antonyms & Near Antonyms
3
as in adultery
a sexual encounter or relationship between a married person and someone other than their spouse there were charges of unfaithfulness on both sides

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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for unfaithfulness
  1. infidelity
  2. betrayal
  3. adultery
  4. treachery
  5. misconduct
  6. treason
Noun
  • The research points to a common issue in monogamous couples: infidelity.
    — Paul Du Quenoy, MSNBC Newsweek, 26 Mar. 2025
  • In various texts, including Apocryphal works that date to around the same time as the Gospels proper, Joseph appears to suspect Mary of infidelity.
    — Adam Gopnik, The New Yorker, 24 Mar. 2025
Definition of infidelity
Noun
  • But betrayals were happening inside their home, too.
    — Kim Willis, USA TODAY, 25 Mar. 2025
  • For many customers, these changes represent a fundamental betrayal of what made Southwest different.
    — Roger Dooley, Forbes, 24 Mar. 2025
Definition of betrayal
Noun
  • The faith is rooted in the Vedas, an ancient Hindu scripture and prescribes the five lifetime vows: no alcohol, no addictions, no adultery, no meat and no impurity of body and mind.
    — James Powel, USA TODAY, 9 Mar. 2025
  • Under Taliban rule, morality laws are strictly enforced, and activities considered immoral or against Islamic principles—such as pornography, adultery, or LGBTQ+ content—are harshly punished.
    — Dan Perry, Newsweek, 28 Feb. 2025
Definition of adultery
Noun
  • After weeks of treachery and deception, the final roundtable has been viewed, and the winner or winners for The Traitors Season 3 have been revealed.
    — Armando Tinoco, Deadline, 6 Mar. 2025
  • Clay’s Dad, Trevor Photo: Netflix It cannot be said enough that the root of so much of this season’s strife between AD and Clay can be traced back to one man’s flagrant disregard for his marital vows, and his inexplicable decision to involve his kids in the treachery.
    — Anusha Praturu, Vulture, 13 Mar. 2024
Definition of treachery
Noun
  • Wynn has consistently denied any allegations of misconduct.
    — Kathryn Watson, CBS News, 24 Mar. 2025
  • Scientists must do their part to preserve and defend the scientific enterprise by doing better science, fixing the perverse incentives that encourage misconduct and making greater efforts to educate the public about how science works.
    — Ferric C. Fang, Baltimore Sun, 23 Mar. 2025
Definition of misconduct
Noun
  • Henry’s five resolutions rejected the crown’s right to unilaterally tax the American Colonies; his speech defending the resolves was so fiery that some in the audience accused him of treason.
    — Cassandra Good, Smithsonian Magazine, 21 Mar. 2025
  • The original classic novel was penned by Alexandre Dumas and follows a young sailor falsely accused of treason, who, after years of imprisonment, escapes and seeks revenge against those who wronged him, ultimately becoming the wealthy Count of Monte Cristo.
    — Justin Kroll, Deadline, 20 Mar. 2025
Definition of treason
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.

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unfaithful
unfaithfulness
unfaiths
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Cite this Entry

“Unfaithfulness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithfulness. Accessed 3 Apr. 2025.

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