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

Ella Langley’s confident delivery and the song’s infectious, forward-moving rhythm bring plenty of attitude while celebrating the undeniable pull of the Lone Star State. — Qygwork, Billboard, 28 Sep. 2026

Long marginalized or pigeonholed by festival programmers, African cinema has achieved an undeniable foothold in the main programming strands of A-class fests. — Christopher Vourlias, Variety, 28 Sep. 2026

The undeniable message of AdS/CFT is that, at least in this special snow globe, the rules of gravity and the rules of quantum mechanics are secretly describing the same game — despite the storied antagonism between the two theories. — Quanta Magazine, 25 Sep. 2026

The fundamental stories for these component suppliers and technology vendors to the data center have become undeniable. — Josh Brown,sean Russo, CNBC, 24 Sep. 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