irrefutable

adjective

ir·​re·​fut·​able ˌir-i-ˈfyü-tə-bəl  i-ˈre-fyə-tə- 

ˌi(r)-

: impossible to refute : incontrovertible

irrefutable proof

irrefutability

ˌir-i-ˌfyü-tə-ˈbi-lə-tē 

i-ˌre-fyə-tə-

ˌi(r)-

noun

irrefutably

ˌir-i-ˈfyü-tə-blē 

i-ˈre-fyə-tə-

ˌi(r)-

adverb

Synonyms

• accomplished
• certain
• inarguable
• incontestable
• incontrovertible
• indisputable
• indubitable
• irrefragable
• positive
• sure
• unanswerable
• unarguable
• unchallengeable
• undeniable
• unquestionable

Examples of irrefutable in a Sentence

There is irrefutable evidence that he committed these crimes.

the irrefutable reply of “Because I like it!”

Recent Examples on the Web

Soulmates are a foundational idea in our romantic landscapes, but her logic is irrefutable. —Belinda Luscombe, Time, 9 May 2025

While these claims are not backed up by evidence, what is irrefutable is that Panama has a long history of Chinese culture within its borders, so much so that many consider dim sum a national tradition here. —Whitney Eulich, Christian Science Monitor, 18 Apr. 2025

Hubris brandishes examples from both this list, released in 2022 by a Russian entity called the Civil Society Development Foundation, and other recent publications as a prosecutor might use a smoking gun: to provide irrefutable proof of the West’s guilt. —Foreign Affairs, 9 Apr. 2025

However, the argument that LeCun makes has an irrefutable logic. —Jason D. Greenblatt, MSNBC Newsweek, 2 Apr. 2025

Word History

Etymology

Late Latin irrefutabilis, from Latin in- + refutare to refute

First Known Use

1607, in the meaning defined above

Rhymes for irrefutable

• computable
• disputable
• immutable
• imputable
• inscrutable
• unsuitable
• executable
• indisputable
• substitutable
• mutable
• suitable

Kids Definition

irrefutable

adjective

ir·​re·​fut·​able ˌir-i-ˈfyüt-ə-bəl  (ˈ)ir-ˈ(r)ef-yət- 

: not capable of being proved wrong : indisputable

irrefutable proof

irrefutably

-blē 

adverb