undeniable

adjective

un·​de·​ni·​able ˌən-di-ˈnī-ə-bəl 

1

: plainly true : incontestable

an undeniable fact

2

: unquestionably excellent or genuine

an applicant with undeniable references

undeniableness noun

undeniably

ˌən-di-ˈnī-ə-blē 

adverb

Synonyms of undeniable

• unquestionable
• indisputable
• irrefutable
• unarguable
• incontrovertible
• incontestable
• indubitable
• conclusive
• positive
• definite
• inarguable
• irrefragable
• unanswerable
• unchallengeable

Examples of undeniable in a Sentence

The band's popularity is undeniable.

Recent Examples on the Web

The Complete Stories was undeniable, rigorous, and a labor of love. — Literary Hub, 12 Nov. 2026

Here, her impact in the literary world is undeniable—and so is her range. — Daniela Tijerina, Vanity Fair, 12 Nov. 2026

Meloni and Hargitay had an undeniable chemistry that was evident from their very first auditions. — Lynsey Eidell, PEOPLE, 12 Nov. 2026

But while its scale is undeniable, the nature of the win—characterized by very different candidates exhibiting similar levels of success with voters—appears to have left the party struggling to draw a cohesive conclusion from the election. — Hugh Cameron, MSNBC Newsweek, 10 Nov. 2026

Word History

First Known Use

1547, in the meaning defined at sense 1

Rhymes for undeniable

• liable
• pliable
• triable
• viable
• classifiable
• justifiable
• modifiable
• notifiable
• satisfiable
• specifiable
• unreliable
• verifiable

Kids Definition

undeniable

adjective

un·​de·​ni·​able ˌən-di-ˈnī-ə-bəl 

1

: plainly true : incontestable

2

: positively excellent or genuine

undeniably

-blē 

adverb