Definition of deceitfulnext
1
as in fraudulent
marked by, based on, or done by the use of dishonest methods to acquire something of value charged the store owner with such deceitful practices as inflating the list prices for items only so he could put them on sale at drastically reduced prices

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

2

Synonym Chooser

How does the adjective deceitful differ from other similar words?

Some common synonyms of deceitful are dishonest, mendacious, and untruthful. While all these words mean "unworthy of trust or belief," deceitful usually implies an intent to mislead and commonly suggests a false appearance or double-dealing.

the secret affairs of a deceitful spouse

When would dishonest be a good substitute for deceitful?

In some situations, the words dishonest and deceitful are roughly equivalent. However, dishonest implies a willful perversion of truth in order to deceive, cheat, or defraud.

a swindle usually involves two dishonest people

Where would mendacious be a reasonable alternative to deceitful?

The meanings of mendacious and deceitful largely overlap; however, mendacious may suggest bland or even harmlessly mischievous deceit and when used of people often suggests a habit of telling untruths.

mendacious tales of adventure

When might untruthful be a better fit than deceitful?

While the synonyms untruthful and deceitful are close in meaning, untruthful stresses a discrepancy between what is said and fact or reality.

an untruthful account of their actions

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 deceitful While Swift hasn’t publicly commented on the reasoning behind her trademark filings, the reputational damage that deceitful deepfakes pose to her billion-dollar brand can hardly be overlooked. Miles Klee, Wired News, 29 Apr. 2026 In classical Athens the playwright Aristophanes attacked purveyors of knowledge for being intellectually untrustworthy, essentially deceitful. Clare Bucknell, The New York Review of Books, 25 Apr. 2026 Worse yet, its structure is deceitful. Ben Travers, IndieWire, 21 Apr. 2026 Both the criticism and self-flagellation imply that the act of claiming another person’s words can render these words deceitful, even if the words have been paid for and the content is true. Emily Hodgson Anderson, Fortune, 27 Mar. 2026 See All Example Sentences for deceitful
Recent Examples of Synonyms for deceitful
Adjective
  • The fraudulent registration charge is a misdemeanor; the other two are felonies, involving activity during September 2024 and October 2025, pending in the 39th District Court in Macomb County.
    Paula Wethington, CBS News, 13 Aug. 2026
  • Two insurance companies affiliated with Walters happen to be under federal investigation for potential fraudulent loans, according to the Los Angeles Times.
    Theresa Braine, New York Daily News, 12 Aug. 2026
Adjective
  • Violations of the law are a deceptive trade practice, which can be investigated by the state attorney general's office.
    Seth Klamann, Denver Post, 12 Aug. 2026
  • Protection of the president has often required deft and deceptive tactics by the Secret Service.
    Donald J. Mihalek, ABC News, 11 Aug. 2026
Adjective
  • Of course, the senior consultant wasn't actually calling customers dishonest.
    Natalie Lemke, Forbes.com, 7 Aug. 2026
  • There is an endless list of important takeaways from the new information, notably that Fauci was repeatedly and purposefully dishonest in order to get the public to comply with his policies and recommendations.
    Ian Miller OutKick, FOXNews.com, 28 July 2026
Adjective
  • Misleading updates The suit details several allegations of investors’ being given updates that ended up being misleading or false.
    Marlene Lenthang, NBC news, 14 Aug. 2026
  • Numerous studies have shown that Covid-19 vaccines are safe during pregnancy, but Republican senators have recently stirred up false and misleading claims that are now spreading on social media.
    Deidre McPhillips, CNN Money, 14 Aug. 2026
Adjective
  • Along with the WiFi jammer, deputies said they were found to be in possession of false license plates and burglary tools.
    Dean Fioresi, CBS News, 13 Aug. 2026
  • Many of these times, KFA employees allegedly filed false expense reports chalking up the charges to meals, drinks, or standard massages.
    Jessie Yeung, CNN Money, 12 Aug. 2026

Browse Nearby Words

Cite this Entry

“Deceitful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deceitful. Accessed 16 Aug. 2026.

More from Merriam-Webster on deceitful

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