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 But, these faithless actors have never changed the outcome of an election. Solcyré Burga, TIME, 28 Oct. 2024 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 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
  • All such theories, however, have appeared to be unreliable and speculative since any first strikes would have to contend with the risk of an enemy launch on warning as well as sufficient systems surviving for a devastating riposte.
    Lawrence D. Freedman, Foreign Affairs, 14 Apr. 2025
  • Some customers worry Crusoe’s cloud system is unreliable.
    Christopher Helman, Forbes.com, 10 Apr. 2025
Adjective
  • But the jitters still shook him, a false-start whistle blowing on his first 40-yard attempt at February’s NFL combine.
    Luca Evans, Denver Post, 13 Apr. 2025
  • So the entire trip is based on a false pretense.
    Owen Gleiberman, Variety, 12 Apr. 2025
Adjective
  • Intriguingly, the researchers found that these unfaithful chains-of-thought were, on average, longer than faithful ones, suggesting the omissions weren't merely for brevity.
    ArsTechnica, ArsTechnica, 10 Apr. 2025
  • 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
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 23 Apr. 2025.

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