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

Livingston’s children claimed that their father read them the poem as early as 1807, many years before it was ever published, but failed to ever provide irrefutable evidence. —Erik Kain, Forbes, 22 Dec. 2024

This video became a cornerstone of the prosecution’s case, providing irrefutable proof that Alex was lying about his whereabouts that night. —Lars Daniel, Forbes, 4 Dec. 2024

In an effort to be exonerated from the murder of Harrison, Gutierrez asserts that DNA analysis of evidence collected at the crime scene can serve as irrefutable proof of his innocence. —Marley Malenfant, Austin American-Statesman, 16 July 2024

For planners around the world, Brooklyn Bridge Park is irrefutable proof not only that a city can adapt to climate change by reengineering its edge but that the process can — should — yield beauty, joy, and romance. —Justin Davidson, Curbed, 3 July 2024

Word History

Etymology

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

First Known Use

1607, in the meaning defined above

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