UNTRUSTWORTHY Synonyms: 100 Similar and Opposite Words

untrustworthy

adjective

Definition of untrustworthy

as in fraudulent

not able to be trusted; not trustworthy an untrustworthy person He has proven himself untrustworthy.

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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 untrustworthy Lawyers representing Elon Musk, who sued OpenAI, Altman and Brockman in 2024 over a dispute about the company's corporate structure, used Altman's firing as a way to cast doubt on his character, accusing him of being untrustworthy. — Ashley Capoot,kate Rooney, CNBC, 14 Aug. 2026 Indeed, El Niño’s complexity limited the researchers’ simulations to two years; beyond that, the model becomes untrustworthy. — Cody Cottier, Scientific American, 8 July 2026 The local gendarmerie, led by blandly untrustworthy Inspector Marchal (Bertrand Belin) is called in to investigate. — Jessica Kiang, Variety, 16 June 2026 There is evidence that this tendency, known as the endowment effect, was favored by natural selection when bargains were risky in a pre-modern world, a time when giving over one item, in trade for another, might risk getting nothing at all from an untrustworthy trading partner. — Owen D. Jones, The Conversation, 26 May 2026 See All Example Sentences for untrustworthy

Recent Examples of Synonyms for untrustworthy

Adjective

Philadelphia police are also working with GoFundMe to prevent fraudulent fundraisers, the department said in a post on Facebook.

— Laura Fay, CBS News, 15 Oct. 2026
Dispute fraudulent charges and accounts, follow up on your identity theft report and request that fraudulent information be removed from your credit reports.

— Kurt Knutsson, FOXNews.com, 15 Oct. 2026

Definition of fraudulent

Adjective

The debate also took on an edgy, deeply personal tone, as the candidates repeatedly accused each other of being dishonest or misleading.

— ABC News, ABC News, 15 Oct. 2026
The other coach is dishonest and decides to strategically rank their players in a different order.

— Dana Mackenzie, Scientific American, 14 Oct. 2026

Definition of dishonest

Adjective

The Idaho Consumer Protection Act, enacted in 1971, protects consumers from false, deceptive or misleading representations, advertising, pricing and contracts.

— Harllie Stevenson, Idaho Statesman, 14 Oct. 2026
What Apple says about suspicious iMessages Apple says this type of deceptive messaging uses social engineering, a tactic in which scammers rely on impersonation and manipulation to persuade people to share personal information.

— Kurt Knutsson, FOXNews.com, 13 Oct. 2026

Definition of deceptive

Adjective

Screening mammograms miss about one in eight breast cancers overall, and people with dense breasts are more likely to get false-negative results, the American Cancer Society reports.

— Samantha Agate, Kansas City Star, 14 Oct. 2026
Overall, screening mammograms miss about one in eight breast cancers, and people with dense breasts are more likely to get false-negative results.

— Samantha Agate, Charlotte Observer, 14 Oct. 2026

Definition of false

Adjective

As a result, choosing a plan based solely on monthly premiums can be misleading.

— Cindy Krischer Goodman, Sun Sentinel, 14 Oct. 2026
The Idaho Consumer Protection Act, enacted in 1971, protects consumers from false, deceptive or misleading representations, advertising, pricing and contracts.

— Harllie Stevenson, Idaho Statesman, 14 Oct. 2026

Definition of misleading

Adjective

Its argument is that insurers have been pricing wildfire risk the wrong way, by looking backward at statistics and sorting homes by zip code.

— Nick Lichtenberg, Fortune, 15 Oct. 2026
The trailer begins as Ziegler’s Mae frantically asks family friend Benny, played by a sleepy Rob Lowe, for help after her big mistake — kissing the wrong brother between Graham Phillips’ Andrew and Elias Kacavas’ Theo.

— Nicole Fell, HollywoodReporter, 15 Oct. 2026

Definition of wrong

Adjective

The reality, of course, is that the Southern accent is not some incorrect version of a national standard but instead a historically separate and unique dialect – or, more accurately, set of dialects.

— Valerie M. Fridland, The Conversation, 20 Oct. 2026
And Ballmer and the Clippers remain adamant the penalties—and the allegations of misconduct—are incorrect.

— Joshua Hong, Fortune, 20 Oct. 2026

Definition of incorrect

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untrustworthy

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“Untrustworthy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untrustworthy. Accessed 21 Oct. 2026.

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Synonyms of untrustworthy

adjective

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