Synonym Chooser

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

Some common synonyms of traitorous are disloyal, faithless, false, perfidious, and treacherous. While all these words mean "untrue to what should command one's fidelity or allegiance," traitorous implies either actual treason or a serious betrayal of trust.

traitorous acts punishable by death

Where would disloyal be a reasonable alternative to traitorous?

The words disloyal and traitorous can be used in similar contexts, but disloyal implies a lack of complete faithfulness to a friend, cause, leader, or country.

disloyal to their country

When could faithless be used to replace traitorous?

The words faithless and traitorous are synonyms, but do differ in nuance. Specifically, faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.

faithless allies

When is it sensible to use false instead of traitorous?

While in some cases nearly identical to traitorous, 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, in the sense of traitorous?

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

a perfidious double-crosser

In what contexts can treacherous take the place of traitorous?

Although the words treacherous and traitorous have much in common, 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 traitorous 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 Guinevere, usually relegated to the thankless role of traitorous wife, acts here as Arthur’s beloved confidante. Elizabeth Hand, Washington Post, 16 July 2024 And somewhere between them on the war/peace continuum sit the men on Rhaenyra’s borderline traitorous council. Amanda Whiting, Vulture, 30 June 2024 Simultaneously, Hal is on a call with President Rayburn to brief him on Penn's traitorous schemes. Samantha Stutsman, People.com, 5 Nov. 2024 See All Example Sentences for traitorous
Recent Examples of Synonyms for traitorous
Adjective
  • The City of Odessa, Texas, also said claims of a serial killer in the area were false in a Dec. 9 Facebook post.
    Joe Rassel, The Orlando Sentinel, 3 July 2025
  • His claims are false and do not reflect accountability for the impact of his actions on the community.
    Marley Malenfant, Austin American Statesman, 3 July 2025
Adjective
  • And yes, much of it involves harrowing drives on treacherous mountain roads, only a few of which — disappointingly, considering the title — are icy.
    Frank Scheck, HollywoodReporter, 26 June 2025
  • But only three of those runs were earned, and three of the hits were pop flies missed due to treacherous winds at Wrigley.
    Sahadev Sharma, New York Times, 22 June 2025
Adjective
  • While introducing a range of endearingly unreliable characters, the action rolls out a succession of comically absurd situations that provide laughs from the film’s beginning to its end.
    Joan MacDonald, Forbes.com, 9 July 2025
  • However, by 2024, this gimbal had grown unreliable due to age, and so the Climate Sounder now relies on the standard 28-degree rolls to make its observations.
    Keith Cooper, Space.com, 7 July 2025
Adjective
  • Any attempt to redefine yourself is treated as confusing or disloyal.
    Mark Travers, Forbes.com, 31 May 2025
  • Supporters of the government view Mr. Bar as disloyal to Mr. Netanyahu, but critics consider his removal a dangerous precedent that undermines the independence of democratic institutions.
    Aaron Boxerman, New York Times, 8 Apr. 2025
Adjective
  • Those voting for it are Sean Elo-Rivera, Jennifer Campbell, Kent Lee, Stephen Whitburn, Vivian Moreno and La Jolla’s own Joe LaCava, who has been an active supporter of this perfidious plan.
    Inga, San Diego Union-Tribune, 16 June 2025
  • Jake Gyllenhaal is his foil as the perfidious Iago, who goads Othello into unreasoning jealousy with lies about his beloved Desdemona (Molly Osborne).
    New York Times, New York Times, 17 Feb. 2025
Adjective
  • In 2016, a record number of faithless votes were cast.
    Robert Alexander and Anna Dawley, MSNBC Newsweek, 23 Apr. 2025
  • 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
Adjective
  • While their occupation may have created conditions that tested them, the choice to be unfaithful was still deeply personal.
    Mark Travers, Forbes.com, 26 June 2025
  • People who worked on the nighttime emergency schedule were almost 18 times more likely to be unfaithful to their partners than those who worked part-time.
    Mark Travers, Forbes.com, 26 June 2025
Adjective
  • For its part, the Department for Transport says this is untrue.
    Ian King, CNBC, 9 July 2025
  • The Levine Cava administration said those claims were untrue.
    Miami Herald, Miami Herald, 9 July 2025

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Cite this Entry

“Traitorous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/traitorous. Accessed 14 Jul. 2025.

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