1,400 new words in our dictionary! — Parasocial, glow-up, promposal & more
1,400 new words in our dictionary! — More

erroneousness

noun

as in deception
the quality or state of being false the erroneousness of so much that is printed in the tabloids is amazing

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for erroneousness
  1. deception
  2. fallacy
  3. deceptiveness
  4. falseness
  5. falsehood
  6. delusion
  7. untruth
  8. falsity
Noun
  • Leaders managing autonomous agent deployments across enterprise environments have spent years auditing outputs for compliance, deception vectors and guardrail breaches.
    — Terry Oroszi, Forbes.com, 15 Sep. 2026
  • Those charges cover a wide range of behaviors related to schemes in which money or property is obtained through deception and interstate electronic communications.
    — Michael McCann, Sportico.com, 11 Sep. 2026
Definition of deception
Noun
  • Psychologists call this the planning fallacy, and the research is unforgiving.
    — Andy Molinsky, Forbes.com, 27 July 2026
  • There is a fallacy in thinking of languages as brute and unchanging facts, laid out distinctly like elements in the periodic table.
    — Nikhil Krishnan, New Yorker, 20 July 2026
Definition of fallacy
Noun
  • Of course, the retort is that this would be irritating and exasperating to be continually deluged with alerts about AI deceptiveness.
    — Lance Eliot, Forbes.com, 24 Aug. 2025
  • Beyond the deceptiveness of the narrow material view, spiritual light and hope are always present to be found and felt.
    — Sue Brightman, Christian Science Monitor, 3 Jan. 2025
Definition of deceptiveness
Noun
  • The falseness of the medium, though, jibed with the falseness of most attempts, throughout American history, to make sense of this enormous, strange man.
    — Christopher Hooks, Harpers Magazine, 23 June 2026
Definition of falseness
Noun
  • Lindsay helpfully published a list of ten resources for debunking the most persistent falsehoods related to the attacks.
    — Brian Stelter, CNN Money, 10 Sep. 2026
  • Enough is enough -- this spread of blatant and baseless falsehoods must stop.
    — Mike Toole, CBS News, 8 Sep. 2026
Definition of falsehood
Noun
  • Symptoms, which can take up to two months to develop, may include headache, nausea and sore throat before progressing to hallucinations, delusions, disorientation, paralysis and coma.
    — Jen Christensen, CNN Money, 4 Sep. 2026
  • Smaller numbers reported experiencing delusions, hallucinations, physical pain, rage, and suicidality.
    — Olga Khazan, The Atlantic, 4 Sep. 2026
Definition of delusion
Noun
  • God is the infinite Mind that naturally causes each individual to know right from wrong, truth from untruth, and most importantly, reality from unreality.
    — Suzanne Riedel, Christian Science Monitor, 22 July 2026
  • And there are lies, so many untruths that one doesn’t know who to root for.
    — Oline H. Cogdill, Sun Sentinel, 20 July 2026
Definition of untruth
Noun
  • Fried fights a good fight against such solipsistic falsities.
    — Carlos Valladares, ARTnews.com, 14 Aug. 2026
  • That case requires a public official claiming defamation to prove the defendant knew their statement was false at the time or demonstrated reckless disregard of its falsity, a standard known as actual malice.
    — Melissa Quinn, CBS News, 29 June 2026
Definition of falsity
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.

Browse Nearby Words

erroneously
erroneousness
error
See all Nearby Words

Cite this Entry

“Erroneousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/erroneousness. Accessed 19 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
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

Word of the Day

Listen to the pronunciation of aggrandize

See Definitions and Examples »

Popular in Grammar & Usage

See More

Why do we use apostrophes to show possession?

Merriam-Webster’s Great Big List of Words You Love to Hate

The Exceptions of '-s' and '-es' Plurals

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

'A' or 'an'? What about before 'h'? An Indefinite Article Guide
See More

Popular in Wordplay

See More

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

Words from the 'Odyssey'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 18
See More

Popular

See More

Why do we use apostrophes to show possession?

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
crayons-in-a-circle
Guess the Color Quiz Questions that use the whole box of crayons.
See All