Synonyms & Antonyms of untruthful

1 not being in agreement with what is true
  • an unintentionally untruthful statement that the candidate later corrected

Synonyms for untruthful

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Phrases Synonymous with untruthful

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Antonyms for untruthful

2 telling or containing lies
  • the political action committee was slammed for spreading untruthful smears about the candidate and his wife

Synonyms for untruthful

Words Related to untruthful

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Antonyms for untruthful

See the Dictionary Definition 

Frequently Asked Questions About untruthful

How does the adjective untruthful differ from other similar words?

Some common synonyms of untruthful are deceitful, dishonest, and mendacious. While all these words mean "unworthy of trust or belief," untruthful stresses a discrepancy between what is said and fact or reality.

an untruthful account of their actions

When is deceitful a more appropriate choice than untruthful?

The words deceitful and untruthful are synonyms, but do differ in nuance. Specifically, 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 untruthful?

While the synonyms dishonest and untruthful are close in meaning, dishonest implies a willful perversion of truth in order to deceive, cheat, or defraud.

a swindle usually involves two dishonest people

When might mendacious be a better fit than untruthful?

While in some cases nearly identical to untruthful, 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

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Time Traveler for untruthful

Time Traveler

The first known use of untruthful was circa 1843

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Cite this Entry

“Untruthful.” Thesaurus, Merriam-Webster, Accessed 25 Sep. 2021.

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More from Merriam-Webster on untruthful

Nglish: Translation of untruthful for Spanish Speakers

Britannica English: Translation of untruthful for Arabic Speakers


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