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

• 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

This shift from automation to autonomy is now undeniable. —Srikanta Datta, Forbes.com, 30 June 2025

Pickens had his off-field issues with the Pittsburgh Steelers, but his talent is undeniable. —Kevin McCormick, MSNBC Newsweek, 30 June 2025

Despite the fridge’s undeniable importance in keeping our food fresh, beverages perfectly chilled, and kitchens fully functional, many of us cut corners and take shortcuts when cleaning this appliance. —Taylor Tobin, Southern Living, 30 June 2025

Those unlikely scenarios underscore the scary implications of the Court’s approach, but the real-world consequences of Friday’s decision are undeniable. —Ruth Marcus, New Yorker, 27 June 2025

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