in·con·test·able
ˌin-kən-ˈte-stə-bəl 
: not contestable : indisputable
an incontestable fact
incontestable talent
in·con·test·abil·i·ty
ˌinkənˌtestəˈbilətē
plural -es
: the quality or state of being incontestable
Examples of incontestable in a Sentence
Adjective
The evidence against him is incontestable.
the incontestable statement that every contest has a winner and a loser
Recent Examples on the Web
Bryan West, USA Today, 30 Mar. 2026
Many experts also remained in denial until evidence of Covid’s lethality and transmissibility became incontestable.
—David Blumenthal, STAT, 24 Mar. 2026
Duesberg kept making his argument well after evidence that the human immunodeficiency virus, HIV, causes AIDS became incontestable.
—Business Columnist, Los Angeles Times, 29 Jan. 2026
That is to say, there is no one pure ur-movie, unblemished and incontestable.
—Anthony Lane, New Yorker, 22 Sep. 2025
See All Example Sentences for incontestable
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Adjective
The mark was federally registered in 2015 and has since achieved incontestable status, a legal designation that strengthens ownership rights.
—Bryan West, USA Today, 30 Mar. 2026
Many experts also remained in denial until evidence of Covid’s lethality and transmissibility became incontestable.
—David Blumenthal, STAT, 24 Mar. 2026
Duesberg kept making his argument well after evidence that the human immunodeficiency virus, HIV, causes AIDS became incontestable.
—Business Columnist, Los Angeles Times, 29 Jan. 2026
That is to say, there is no one pure ur-movie, unblemished and incontestable.
—Anthony Lane, New Yorker, 22 Sep. 2025
See All Example Sentences for incontestable
Cite this Entry
“Incontestable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/incontestable. Accessed 12 Jun. 2026.
Copy CitationKids Definition
incontestable
adjective
in·con·test·able
ˌin-kən-ˈtes-tə-bəl
: not open to doubt : unquestionable
an incontestable fact
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