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adj Uncommon

erroneous

ih-ROH-nee-uhs
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Erroneous (adj) means Based on or containing a mistake; not correct. Example: “The report contained several erroneous figures that had to be corrected.”

adj
1
Based on or containing a mistake; not correct.
"The report contained several erroneous figures that had to be corrected."
"He was working from an erroneous assumption about the deadline."

How to use erroneous

Learner’s notes

In plain EnglishWrong or incorrect, usually because of a mistake somewhere along the way.

When to use it

A fairly formal word — everyday speech usually just says "wrong" or "mistaken."

Common pairings
erroneous belief erroneous conclusion erroneous information
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Word forms

Comparative
more erroneous
Superlative
most erroneous
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Fill the gap

Can you complete this real example?

The report contained several _____ figures that had to be corrected.

Etymology

From Latin erroneus, "wandering, mistaken," from errāre, "to wander or err."

Origin: Latin

Related words

Rhymes for erroneous

See all rhymes for erroneous →

Frequently asked questions

What does “erroneous” mean?
The word “erroneous” means based on or containing a mistake; not correct. In plain terms, wrong or incorrect, usually because of a mistake somewhere along the way.
How do you pronounce “erroneous”?
“Erroneous” is pronounced ih-ROH-nee-uhs (/ɛˈɹoʊ.ni.əs/ in IPA).
How do you use “erroneous” in a sentence?
Here is “erroneous” used in a sentence: “The report contained several erroneous figures that had to be corrected.”
What is another word for “erroneous”?
Words with a similar meaning to “erroneous” include errorful.
What is the opposite of “erroneous”?
The opposite of “erroneous” — its antonyms — is errorless.
What part of speech is “erroneous”?
“Erroneous” is an adjective.
Where does the word “erroneous” come from?
The word “erroneous” comes from Latin. From Latin erroneus, "wandering, mistaken," from errāre, "to wander or err.".
Is “erroneous” a common word?
“Erroneous” is an uncommon word in modern English.

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