specious

/ˈspiːʃəs/ · SPEE-shusadjective

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

Use specious to express this relationship precisely: seemingly reasonable, true, or attractive at first, but actually false or misleading.

What specious Really Means

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

1

Core quality

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

Example

The report rejects the specious claim that correlation proves causation.

2

Attributive or predicative use

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

Example

His explanation was polished but specious.

3

Analytical distinction

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

Example

A specious comparison concealed important differences between the groups.

Use specious Naturally

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

The report rejects the specious claim that correlation proves causation.

His explanation was polished but specious.

A specious comparison concealed important differences between the groups.

Precision Matters

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

specious

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

vs.
plausible

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

specious

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

vs.
mendacious

Means dishonest and given to lying or making deliberately false statements.

specious

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

vs.
theoretical

Means based on ideas, principles, or models rather than direct observation or practical application.

specious

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

vs.
sophistry

Means clever but deceptive reasoning that appears plausible while concealing a false or invalid argument.

Test specious in Context

The promise appears convincing but is actually misleading.

1

The proposal's ___ promise of 'zero cost' ignored the taxes required to fund it.

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