incontestable

adjective

in·​con·​test·​able ˌin-kən-ˈte-stə-bəl 

: not contestable : indisputable

an incontestable fact

incontestable talent

incontestability

ˌin-kən-ˌte-stə-ˈbi-lə-tē 

noun

incontestably

ˌin-kən-ˈte-stə-blē 

adverb

Synonyms

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

Examples of incontestable in a Sentence

The evidence against him is incontestable.

the incontestable statement that every contest has a winner and a loser

Recent Examples on the Web

Second, combining data from different IoT devices revealed incontestable details of Alex Murdaugh’s activities. —David Sella-Villa, The Conversation, 24 June 2025

The imperatives of tying India’s economic fortunes more closely to the transformations occurring in these regions are therefore incontestable, especially because India already faces strong impediments to translating its natural dominance within South Asia into lasting local hegemony. —Ashley J. Tellis, Foreign Affairs, 17 June 2025

But the personal drama between them was incontestable. —Mikal Gilmore, Rolling Stone, 17 Jan. 2025

But for me, the main question isn’t necessarily the badness of the situation, which is incontestable. —Sean Illing, Vox, 15 Oct. 2024

Word History

Etymology

French, from in- + contestable, from contester to contest

First Known Use

1673, in the meaning defined above

Rhymes for incontestable

• contestable
• detestable
• digestible
• suggestible
• indigestible
• testable

Kids Definition

incontestable

adjective

in·​con·​test·​able ˌin-kən-ˈtes-tə-bəl 

: not open to doubt : unquestionable

an incontestable fact

incontestably

-ˈtes-tə-blē 

adverb