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

Parker is a sports reporter for a major sports publication who has built a stellar reputation through hard work and an undeniable passion for the game. — Joe Otterson, Variety, 20 July 2026

Fineman plays Parker Quinn, a sports reporter for a major sports publication who has built a stellar reputation through hard work and an undeniable passion for the game. — Rosy Cordero, Deadline, 20 July 2026

While this home looks very traditional when viewed from the street, with its obvious and undeniable curb appeal on full display, expectations of a traditional interior are quickly replaced upon passing through the front door. — James Alexander, Hartford Courant, 19 July 2026

The 2026 World Cup was an undeniable sensation in the United States, setting records for television ratings while millions of fans piled into stadiums to take in all the action. — Rohan Nadkarni, NBC news, 19 July 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