unfaithful

adjective

ˌən-ˈfāth-fəl How to pronounce unfaithful (audio)
Definition of unfaithfulnext
as in traitorous
not true in one's allegiance to someone or something colonists who later proved to be unfaithful to the cause of independence

Synonyms & Similar Words

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Antonyms & Near Antonyms

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 unfaithful Just days before True's birth, Kardashian learned that Thompson had allegedly been unfaithful. — Jacqueline Weiss, People.com, 21 Feb. 2025 Besides being unsightly, Hephaestus was lame and also had the misfortune of an unfaithful wife. — Cody Cottier, Discover Magazine, 20 Jan. 2025 Green asked the reporter, who alleged that the singer was unfaithful to his former fiancée. — Hannah Sacks, People.com, 6 Feb. 2025 Serially bankrupt and unfaithful, Trump sought prayers from both Catholic and protestant religious dignitaries who condemn such things among their faithful and wink at them from Trump. — David Mastio, The Mercury News, 22 Jan. 2025 See All Example Sentences for unfaithful
Recent Examples of Synonyms for unfaithful
  1. traitorous
  2. unreliable
  3. false
  4. faithless
  5. disloyal
  6. treacherous
Adjective
  • But what will their first move as a traitorous duo be?
    — Tom Smyth, Vulture, 27 Feb. 2025
  • The blame for this terrifying scenario, McCarthy declared, rested with traitorous federal employees, who had sold their country out and had to be purged from its service.
    — Made by History, TIME, 9 Feb. 2025
Definition of traitorous
Adjective
  • Weldon has also shared unreliable claims about reproductive health.
    — Chantelle Lee, TIME, 12 Mar. 2025
  • In a press briefing, the NTSB shared the investigation's initial findings on potential unreliable data recording and an Air Traffic Control communications issue that led to the crash.
    — Kathleen Wong, USA TODAY, 11 Mar. 2025
Definition of unreliable
Adjective
  • Fowler played more of a false nine and dropped deeper to stitch the play together, combining well with Jill Roord.
    — Charlotte Harpur, The Athletic, 20 Mar. 2025
  • The pivotal addition to the the state Civil Code reads: Existing law provides that libel is a false and unprivileged written publication that injures the reputation and that slander is a false and unprivileged publication, orally uttered, that injures the reputation, as specified.
    — Dominic Patten, Deadline, 20 Mar. 2025
Definition of false
Adjective
  • Don Cheadle and Benicio del Toro are both quite good as part of a team that’s tasked with stealing a secret document, setting the stage for a drama involving gangsters, faithless lovers, and white-collar crooks.
    — Tim Grierson, Vulture, 24 Jan. 2025
  • Once lost, now found, Ms. Brady offered the closing prayer as the smell of meatloaf promised lunch for the faithful and faithless alike.
    — Moriah Ratner, New York Times, 24 Nov. 2024
Definition of faithless
Adjective
  • Many observers also fear that Trump's Justice Department will prosecute his political opponents — not just Democrats, but also Republicans who are perceived as disloyal.
    — Nathaniel Rakich, ABC News, 21 Jan. 2025
  • She’s hurt by a lover’s betrayal, but more hurt that her suspicions of his disloyal nature were proven right from the beginning.
    — Jessica Nicholson, Billboard, 24 Feb. 2025
Definition of disloyal
Adjective
  • Combined with a light glaze of ice that could fall before temperatures drop, travel in the area could be treacherous that day, the weather service said.
    — Sean Murphy and Russ Bynum, Los Angeles Times, 15 Mar. 2025
  • The legendary Stadium, Mountain, and Dunes courses now have bigger and faster greens as well as more treacherous hazards.
    — Passport by ForbesLife, Forbes, 14 Mar. 2025
Definition of treacherous

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Cite this Entry

“Unfaithful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfaithful. Accessed 25 Mar. 2025.

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