spurious

/ˈspjʊəriəs/ · SPYOOR-ee-uhsadjective

False, invalid, or not genuine despite appearing plausible.

Use spurious for a claim, correlation, distinction, or object that seems legitimate but lacks a genuine or valid basis.

What spurious Really Means

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

1

False claim

Presented as factual even though evidence does not support its truth.

Example

Researchers rejected the spurious claim after examining the raw data.

2

Invalid relationship

Appearing to show a meaningful connection when another factor actually produces the pattern.

Example

The apparent correlation was spurious because both variables had a third cause.

3

Not genuine

Resembling an authentic object, source, or distinction while lacking genuine origin or validity.

Example

The archive identified the supposed royal seal as spurious.

Use spurious Naturally

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

Researchers rejected the spurious claim after examining the raw data.

A spurious correlation can disappear when analysts control for a third variable.

The article created a spurious distinction between two nearly identical methods.

Precision Matters

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

spurious

Often stresses a deceptive appearance of validity or genuineness.

vs.
false

Broadly means untrue or incorrect.

spurious

Can arise accidentally, as with a misleading correlation.

vs.
fraudulent

Involves deliberate deception for gain.

spurious

Concludes that the appearance is invalid or not genuine.

vs.
apparent

Means seeming to be true and may later prove accurate.

spurious

Has no valid basis or is not genuine.

vs.
tenuous

Has a weak or insubstantial basis but is not necessarily false.

Test spurious in Context

The apparent correlation was created by a third factor rather than a direct relationship.

1

Ice-cream sales and reports of sunburn rose together, but temperature independently increased both; once analysts controlled for heat, the supposed relationship proved ___.

Prepared byFirst Academy
Editorial responsibilityFirst Academy Academic Team
Updated2 August 2026
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