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
  • Simultaneously, Dani Olmo could act as a false number 9 while a Robert Lewandowski believed to be on his way to Saudi Arabia in 2026 is gradually phased out.
    Tom Sanderson, Forbes.com, 24 June 2025
  • But an investigation resulted in an astonishing call from the other side of the world, which revealed that ‘The GPO Girl’ was, in fact, a 25-year-old Australian, who has created more than 100 false identities.
    Max Goldbart, Deadline, 24 June 2025
Adjective
  • The storm could bring hazardous travel, power outages, and treacherous trail conditions during a time of year typically dominated by warmer weather and early summer tourism.
    Martha McHardy, MSNBC Newsweek, 19 June 2025
  • Having heard rumors of a mythical doctor (played with a chilling calm by Ralph Fiennes) who could possibly help, Spike sneaks off with her for a treacherous expedition to the mainland.
    Mark Olsen, Los Angeles Times, 18 June 2025
Adjective
  • Prosecutors in the case called for Clayton to be jailed for 10 years, but the defense argued for acquittal –– saying the woman’s testimony had many questions and was unreliable, according to NHK.
    Karina Tsui, CNN Money, 25 June 2025
  • Minimizing unplanned downtime can deliver an impact that becomes amplified when external supply chains are unreliable.
    Ed Garibian, Forbes.com, 25 June 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
  • Vajiralongkorn divorced their mother in 1996 after accusing her of being unfaithful, stripping her and their sons of their titles and forbidding their return to Thailand.
    Charlie Campbell, Time, 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
  • Indeed, Richard Condrey, who as an ecologist at Louisiana State University in the 1980s led the panel that set national redfish policy, notes that the whole idea that land loss must trigger a collapse in fish stocks remains speculative—not untrue, necessarily, just difficult to prove.
    Boyce Upholt, Smithsonian Magazine, 25 June 2025
  • Without them, we’re left with tripe, something unrelatable and unattainable, worst of all: untrue.
    Brendan O’Meara June 23, Literary Hub, 23 June 2025

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Cite this Entry

“Traitorous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/traitorous. Accessed 2 Jul. 2025.

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