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

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Antonyms & Near Antonyms

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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 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 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, The Conversation, 25 Mar. 2026 That downturn cost shareholders who sold their stock during the uncertainty caused by what the lawsuit alleges was Musk’s deceitful behavior. Staff, Austin American Statesman, 20 Mar. 2026 See All Example Sentences for deceitful
Recent Examples of Synonyms for deceitful
Adjective
  • Bruneau moved in with her boyfriend and told her family that Larry Brown was pressuring her to sign fraudulent insurance documents with inflated repair costs, according to the affidavit.
    Amy McDaniel, Fort Worth Star-Telegram, 16 July 2026
  • Keep records of all communications and fraudulent transactions.
    Brian Sloan,Dan Avery, CNBC, 15 July 2026
Adjective
  • The standout interlude is the soldiers’ visit to the island domain of Circe, a treacherous witch played with deceptive calm and a misleading air of distraction by a bone-chilling Samantha Morton.
    David Rooney, HollywoodReporter, 15 July 2026
  • Using a clinician’s name, image, or credentials in a synthetic endorsement without consent should be treated as deceptive practice, with liability directed toward those who commission or distribute the content.
    Henry Bair, STAT, 14 July 2026
Adjective
  • The state agency said clinic staffers had clients sign a personal injury waiver, which the commission said was unenforceable, against public policy and deceptive and dishonest.
    Ashley Hiruko, ProPublica, 8 July 2026
  • There is no industry-standard pricing for tax relief, which is one reason why taxpayers can sometimes fall victim to overpriced or dishonest tax relief scams.
    Nick Perry, USA Today, 6 July 2026
Adjective
  • The information on garment labels is often inaccurate or misleading, according to new research by the European Commission.
    Tamsin Blanchard, Vogue, 16 July 2026
  • The standout interlude is the soldiers’ visit to the island domain of Circe, a treacherous witch played with deceptive calm and a misleading air of distraction by a bone-chilling Samantha Morton.
    David Rooney, HollywoodReporter, 15 July 2026
Adjective
  • Judge Ranjan identified several problems with MET’s claims, including MET’s allegation that UA engaged in false advertising by portraying Celliant as having the FDA’s blessing.
    Michael McCann, Sportico.com, 15 July 2026
  • Coney Barrett shared her experience bringing home a bulletproof vest and having her house swatted, or subject to false police reports.
    Emma Hinchliffe, Fortune, 15 July 2026

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Cite this Entry

“Deceitful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deceitful. Accessed 19 Jul. 2026.

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