Synonym Chooser

How is the word faithless different from other adjectives like it?

Some common synonyms of faithless are disloyal, false, perfidious, traitorous, and treacherous. While all these words mean "untrue to what should command one's fidelity or allegiance," faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.

faithless allies

When can disloyal be used instead of faithless?

The synonyms disloyal and faithless are sometimes interchangeable, but disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country.

disloyal to their country

When could false be used to replace faithless?

In some situations, the words false and faithless are roughly equivalent. However, false stresses the fact of failing to be true in any manner ranging from fickleness to cold treachery.

betrayed by false friends

How do perfidious and faithless relate to one another?

Perfidious adds to faithless the implication of an incapacity for fidelity or reliability.

a perfidious double-crosser

When is traitorous a more appropriate choice than faithless?

While the synonyms traitorous and faithless are close in meaning, traitorous implies either actual treason or a serious betrayal of trust.

traitorous acts punishable by death

When might treacherous be a better fit than faithless?

The meanings of treacherous and faithless largely overlap; however, treacherous implies readiness to betray trust or confidence.

a treacherous adviser

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 faithless Since Biden is no longer in the running, they won't be considered faithless. Kaleigh Rogers, ABC News, 23 July 2024 Nellore admits to being of faithless background yet criticizes people of faith. Reader Commentary, Baltimore Sun, 8 Mar. 2024 Image In the Patricia Highsmith novel and the subsequent Hitchcock movie that introduced this intriguing plot to the public, the would-be victims are mere annoyances — a critical father, a faithless wife. Sarah Lyall, New York Times, 11 Apr. 2024 In Her Car follows Lydia, a psychologist with anxiety issues on her way to Kharkiv to divorce her faithless husband who spots a young woman at a bus station and decides to give a young woman a lift. Scott Roxborough, The Hollywood Reporter, 23 Feb. 2024 See All Example Sentences for faithless
Recent Examples of Synonyms for faithless
Adjective
  • Foreign military interventions can change victims from being viewed as a nuisance into being seen as powerful and traitorous enemies, potentially capable of exacting revenge, seizing power, or breaking away from the state.
    Benjamin A. Valentino, Foreign Affairs, 17 Oct. 2011
  • But what will their first move as a traitorous duo be?
    Tom Smyth, Vulture, 27 Feb. 2025
Adjective
  • There are several advanced monitoring components: • Outlier Detection: Flags anomalous predictions that may be unreliable for production use, particularly important given the noisy nature of real-world data.
    Neel Sendas, Forbes.com, 4 Apr. 2025
  • To be sure, these predictions are notoriously unreliable, but the fact remains that Wall Street, which cheered Trump’s election, is losing faith.
    John Cassidy, New Yorker, 3 Apr. 2025
Adjective
  • Looking down into the pit is not a powerful moment — looking up at this teenager that is desperate to get out of the wilderness and kill this false prophet in Lottie is powerful.
    Jackie Strause, HollywoodReporter, 10 Apr. 2025
  • In June of 2023, police approached her residence after receiving a false tip about child abuse.
    Mackenzie Cummings-Grady, Billboard, 10 Apr. 2025
Adjective
  • The play, which was co-produced by Burruss and her longtime husband Todd Tucker, is a tragedy about a commander who is manipulated into thinking his wife is unfaithful.
    Elizabeth Ayoola, Essence, 27 Mar. 2025
  • The Shakespearian plot revolves around Othello as a military commander who is convinced that his wife has been unfaithful by his ensign, Iago.
    Lisa Respers France, CNN, 24 Mar. 2025
Adjective
  • Their stories are full of danger: treacherous rivers, unforgiving terrain, and the constant threat of violence and exploitation.
    Alan Taylor, The Atlantic, 27 Mar. 2025
  • But in between lies a tense and treacherous journey…In Wolof and French with English subtitles.
    Ut Community Press, San Diego Union-Tribune, 25 Mar. 2025

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Cite this Entry

“Faithless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/faithless. Accessed 16 Apr. 2025.

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