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

Barker’s other heroes include Nathan Fielder and Tim Robinson, comics whose work contains an undeniable dark streak, and who share his prankster’s spirit and high tolerance for unease. —Alex Barasch, New Yorker, 11 May 2026

And there’s an undeniable mid-2010s vibe here, too. —Jon O'Brien, Vulture, 11 May 2026

Cher is an undeniable powerhouse with a record-breaking career spanning more than seven decades in entertainment. —India Roby, Architectural Digest, 11 May 2026

Despite now facing the extremes of having to win four straight against the Thunder, the Lakers’ will in Game 3, entering the game on close-to life support, was undeniable. —Benjamin Royer, Oc Register, 10 May 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