Synonym Chooser

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

Some common synonyms of treacherous are disloyal, faithless, false, perfidious, and traitorous. While all these words mean "untrue to what should command one's fidelity or allegiance," treacherous implies readiness to betray trust or confidence.

a treacherous adviser

When can disloyal be used instead of treacherous?

Although the words disloyal and treacherous have much in common, 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 treacherous?

While in some cases nearly identical to treacherous, faithless applies to any failure to keep a promise or pledge or any breach of allegiance or loyalty.

faithless allies

Where would false be a reasonable alternative to treacherous?

The words false and treacherous are synonyms, but do differ in nuance. Specifically, 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 treacherous?

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 treacherous?

The synonyms traitorous and treacherous are sometimes interchangeable, but traitorous implies either actual treason or a serious betrayal of trust.

traitorous acts punishable by death

Examples of treacherous in a Sentence

These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Recent Examples on the Web Left with no other recourse, the two must become doctors for a criminal organization, leading them down a treacherous path of double lives from which escape may prove impossible. Max Goldbart, Deadline, 17 Oct. 2024 The treacherous shortcut across the top of North America meanders through the islands of the Canadian Arctic Archipelago. Katie Hunt, CNN, 11 Oct. 2024 Under a series of excellent CEOs the company is navigating the difficult and treacherous terrain of being a responsible business. Robert G. Eccles, Forbes, 10 Oct. 2024 Historically, storm surge—the treacherous rise of seawater as hurricane winds push waves toward shore—has been the deadliest hurricane hazard. Marina Koren, The Atlantic, 3 Oct. 2024 See all Example Sentences for treacherous 
Recent Examples of Synonyms for treacherous
Adjective
  • Amid this chaos, Penn shows up in London, subtly manipulating British Prime Minister Nicol Trowbridge (Rory Kinnear) into keeping the whole traitorous scheme under wraps.
    Kelly Lawler, USA TODAY, 2 Nov. 2024
  • He’s played an iconic Harry Potter hero as well as a traitorous Marvel villain.
    Dalton Ross, EW.com, 14 Aug. 2024
Adjective
  • Wright and other advocates for diabetes patients who need insulin to survive worry the nation's supply has become unreliable.
    Ken Alltucker, USA TODAY, 24 Oct. 2024
  • However, knowledgeable criminologists consider the 2021 data unreliable because the FBI changed its reporting system that year.
    Arthur L. Kellermann, Forbes, 24 Oct. 2024
Adjective
  • The perpetrators would acquire the vehicles via hire-purchase agreements, air fright them to Singapore with false papers and then ship them to Thailand.
    Bryan Hood, Robb Report, 1 Nov. 2024
  • They have been charged with perjury—making a false statement on an affidavit for the purpose of securing voter registration—and being an unauthorized elector who attempted to vote.
    Gordon G. Chang, Newsweek, 1 Nov. 2024

Thesaurus Entries Near treacherous

Cite this Entry

“Treacherous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/treacherous. Accessed 8 Nov. 2024.

More from Merriam-Webster on treacherous

Last Updated: - Updated example sentences
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