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

But what’s undeniable to anyone with two eyes is that Ellison, like so many corporate leaders, has been kissing up to Trump for more than a year — first to get control of Paramount and then in an attempt to make his company’s acquisition of Warners look inevitable. —Josef Adalian, Vulture, 27 Feb. 2026

When two relatives vanish and a murder steeped in paranormal energy points to a deadly conspiracy, Sophy Harper and Luke Wells must work together to uncover the truth, even as secrets and an undeniable attraction threaten to complicate everything. —Kait Hanson, Southern Living, 26 Feb. 2026

That much is undeniable at this point. —C.j. Holmes, New York Daily News, 26 Feb. 2026

Life stages are loosely based on undeniable transitions, for example, from childhood to puberty, and from puberty to adulthood. —Shayla Love, New Yorker, 25 Feb. 2026

Word History

First Known Use

1547, in the meaning defined at sense 1

Rhymes for undeniable

• leviable
• reliable
• classifiable
• justifiable
• modifiable
• notifiable
• satisfiable
• specifiable
• unreliable
• verifiable
• emulsifiable
• identifiable

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