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
  • After death, the garden becomes more treacherous.
    Literary Hub, Literary Hub, 26 June 2026
  • For 250 years, between 1565 and 1815, the famous galleon fleet left the port of Manila for the port of Acapulco and back, traveling for months over the treacherous ocean while carrying a lucrative flow of foods, silver, fabrics and culinary traditions.
    Daniel Hernandez, Los Angeles Times, 24 June 2026
Adjective
  • Local computing can shorten response times and keep critical software running even when network links become unreliable.
    Aamir Khollam, Interesting Engineering, 24 June 2026
  • Existing safety tools were unreliable, so Adler decided to design a new one.
    Lydia T. Blanco, Forbes.com, 23 June 2026
Adjective
  • For some, public criticism of the nation can feel disloyal or disrespectful.
    Maia Niguel Hoskin, Forbes.com, 18 June 2026
  • For that independence, he is increasingly treated as a disloyal outcast by members of his own party, who continue trying to push him out of the tent.
    Doug Friednash, Denver Post, 3 June 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
  • When this inquiry was relayed to the Trump Administration, one Administration official told me last month, it was interpreted as a signal that Anthropic, which was then renegotiating its own contract with the federal government, was perhaps a faithless partner.
    Gideon Lewis-Kraus, New Yorker, 15 Apr. 2026
Adjective
  • Starring Yakusho Koji, the film follows a man released on parole after killing his unfaithful wife.
    Naman Ramachandran, Variety, 13 May 2026
  • The golden calf famously enraged Moses, showing that the Israelites had turned away from God and were unfaithful in Moses’s absence.
    Britta Miller, The Washington Examiner, 9 May 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

Browse Nearby Words

Cite this Entry

“Traitorous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/traitorous. Accessed 3 Jul. 2026.

More from Merriam-Webster on traitorous

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster