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 response inside Telluride’s Palm Theatre to the listing of Scott’s name in the film’s post-credits — as both a producer and the lead actor — was undeniable. — Scott Feinberg, HollywoodReporter, 5 Sep. 2026

Love ’em or not, Gloria Steinem and Dolly Parton brought undeniable talent, commitment, and joy to their lifework. — The Christian Science Monitor, Christian Science Monitor, 4 Sep. 2026

Many famous acting duos have had undeniable chemistry both on- and off-screen, going from costars to couples. — Alexandra Schonfeld, PEOPLE, 1 Sep. 2026

But the sheer scope of Seehorn’s work in Pluribus is undeniable and gives her a narrow edge to win. — Savannah Walsh, Vanity Fair, 31 Aug. 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