"Uncontestable" is a word in ENGLISH

uncontestable ENGLISH
Definition:

Incontestable.

Few words of positivity

The idea was that you could grow a system like the Internet one network at a time and then interconnect them. In some sense, the most important thing was the invention of the architecture protocols that enabled the Internet.

Vint Cerf

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Laugh your heart out.

What do you call an egg from outer space?An unidentified flying omelet!

The quality or state of being incontestable.

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incontestable ENGLISH

Not contestable; not to be disputed; that cannot be called in question or controverted; incontrovertible; indisputable; as, incontestable evidence, truth, …

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incontested ENGLISH
irrefragable ENGLISH

Not refragable; not to be gainsaid or denied; not to be refuted or overthrown; unanswerable; incontestable; undeniable; as, an irrefragable …

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