Definition of traitorousnext

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 And at the very center of Hell is Satan himself, the traitorous Archangel Lucifer, depicted as a monstrous creature with wings and three heads. Keith Cooper, Space.com, 11 May 2026 Russell fabricates a lie with the rest of the villains, and the heroes believe it, despite a warning from one traitorous tribemate. Literary Hub, 5 Dec. 2025 Those pompous traitorous communists should be impeached and prosecuted. Dan Gooding, MSNBC Newsweek, 24 Nov. 2025 See All Example Sentences for traitorous
Recent Examples of Synonyms for traitorous
Adjective
  • The charge alleges a person knowingly defrauded another by using false or misleading information to obtain money, property, credit or a loan.
    Darrell Smith, Sacbee.com, 1 July 2026
  • Opponents of Amendment 5 have flatly called the advertisement misleading or false.
    Kacen Bayless, Kansas City Star, 1 July 2026
Adjective
  • The infamous cyclops briefly appeared, as well as footage of Odysseus and his men battling the cannibalistic race of giants known as Laestrygonians and navigating around the treacherous whirlpool Charybdis.
    Jennifer Ouellette, ArsTechnica, 1 July 2026
  • According to the hiking blog, The Hiking HI, the rock bridge can only be traversed at low tide, but can be treacherous either way.
    Sam Gillette, PEOPLE, 30 June 2026
Adjective
  • Employees quickly abandon systems that are slow, unreliable or difficult to use.
    Damini Sood, Forbes.com, 2 July 2026
  • But weak charging infrastructure, limited and unreliable electricity supply outside major cities, and high financing costs could constrain widespread adoption on the continent, even as investors race to build out infrastructure.
    Jenny Vaughan, semafor.com, 1 July 2026
Adjective
  • But back in February when the court ruled against him on tariffs, the president held an angry White House press conference, calling the conservative justices who sided against him disloyal among other insults.
    Tamara Keith, NPR, 1 July 2026
  • The party has found a kind of rhythm, where the president breaks fundraising records, spreads the wealth around, and, in return, gets to humiliate disloyal Republicans in seats that the party can’t lose.
    David Weigel, semafor.com, 1 July 2026
Adjective
  • This is perhaps the most perfidious practice of this sort of politics.
    David M. Drucker, Twin Cities, 3 June 2026
  • The government took a genuine invitation to collaborate as a perfidious power grab.
    Gideon Lewis-Kraus, New Yorker, 14 Mar. 2026
Adjective
  • The French had said the British were faithless.
    Literary Hub, Literary Hub, 20 May 2026
  • Consumed by rage and betrayal, Eleanor is driven to take a bloody, supernatural revenge upon her faithless husband.
    Robert Lang, Deadline, 27 Dec. 2025
Adjective
  • Nyong’o also plays Clytemnestra, the unfaithful wife of Agamemnon, whom Clytemnestra and her lover, Aegisthus, murder.
    Encyclopedia Britannica, Encyclopedia Britannica, 1 July 2026
  • In Strangers on a Train, Rogers played Guy's unfaithful wife, whom Bruno offers to kill.
    Emily Blackwood, PEOPLE, 29 June 2026
Adjective
  • But several of the observations were simply untrue.
    Terry Oroszi, Forbes.com, 23 June 2026
  • Though there were initial reports that Mansfield was decapitated in the accident, her undertaker, Jim Roberts, later revealed that that was untrue.
    Lynsey Eidell, PEOPLE, 19 June 2026

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Cite this Entry

“Traitorous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/traitorous. Accessed 5 Jul. 2026.

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