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

Frustration with the Dallas Cowboys' current status, from the fans to the Star, is undeniable. — Briana Aldridge, CBS News, 22 Oct. 2026

On one hand, the chemistry between Lupe and Simons is undeniable enough (more so than the chemistry between Bell and Brody, for my money) that the show was always going to have to address it eventually. — Angie Han, HollywoodReporter, 22 Oct. 2026

The Air Force 1 ’01 Nightmare’s design is an undeniable allusion to the movie’s main antagonist, Pinhead. — Riley Jones, Footwear News, 20 Oct. 2026

When the Chiefs forced a punt and got the ball back, Mahomes was undeniable in any number of ways. — Kansas City Star, 19 Oct. 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