erroneous

/ɪˈrəʊniəs/ · ih-ROH-nee-usadjective

Incorrect, mistaken, or containing an error.

Use erroneous to express this relationship precisely: incorrect, mistaken, or containing an error.

What erroneous Really Means

The word becomes easier to use when its closely related senses are separated and compared.

1

Core quality

Incorrect, mistaken, or containing an error.

Example

An erroneous date distorted the timeline.

2

Attributive or predicative use

Use this adjective before a suitable noun or after a linking verb such as be or seem.

Example

The claim proved erroneous after the records were found.

3

Analytical distinction

Choose it when this exact descriptive quality matters; a related word may overlap without conveying the same trait.

Example

Accurate data can still support an erroneous inference.

Use erroneous Naturally

Notice how the surrounding noun or clause reveals the exact shade of meaning.

An erroneous date distorted the timeline.

The claim proved erroneous after the records were found.

Accurate data can still support an erroneous inference.

Precision Matters

Erroneous overlaps with several common words, but each carries a different emphasis.

erroneous

Means incorrect, mistaken, or containing an error.

vs.
incontrovertible

Means impossible to deny or dispute because the evidence is decisive.

erroneous

Means incorrect, mistaken, or containing an error.

vs.
plausible

Means seeming reasonable, credible, or likely to be true, even if not yet proved.

erroneous

Means incorrect, mistaken, or containing an error.

vs.
astute

Means showing sharp judgment, practical intelligence, and an ability to understand situations accurately.

erroneous

Means incorrect, mistaken, or containing an error.

vs.
specious

Means seemingly reasonable, true, or attractive at first, but actually false or misleading.

Test erroneous in Context

A clear counting error made the result incorrect.

1

The estimate was ___ because it counted the same households twice.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated3 August 2026
Selection and reviewRead our methodology