undeniable

/ˌʌndɪˈnaɪəbəl/ · un-dih-NY-uh-buladjective

Clearly true, evident, or impossible to deny successfully.

Use undeniable to express this relationship precisely: clearly true, evident, or impossible to deny successfully.

What undeniable Really Means

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

1

Core quality

Clearly true, evident, or impossible to deny successfully.

Example

The records provide undeniable evidence of trade.

2

Attributive or predicative use

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

Example

Her influence on the field is undeniable.

3

Analytical distinction

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

Example

The trend is visible but not yet undeniable.

Use undeniable Naturally

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

The records provide undeniable evidence of trade.

Her influence on the field is undeniable.

The trend is visible but not yet undeniable.

Precision Matters

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

undeniable

Means clearly true, evident, or impossible to deny successfully.

vs.
ambiguous

Means open to more than one reasonable interpretation.

undeniable

Means clearly true, evident, or impossible to deny successfully.

vs.
specious

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

undeniable

Means clearly true, evident, or impossible to deny successfully.

vs.
erroneous

Means incorrect, mistaken, or containing an error.

undeniable

Means clearly true, evident, or impossible to deny successfully.

vs.
incontrovertible

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

Test undeniable in Context

The evidence is so clear that it cannot reasonably be denied.

1

The identical fingerprints on both objects provided ___ evidence that one craftsperson made them.

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