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incontestible

A form of incontestable — Not contestable; indisputable; certain.

Similar

incontestable demonstrable incontrovertible demonstrated inarguable unarguable unassailable unshakable

Scrabble 17

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Meanings

adjectiveincontestible (comparative more incontestible, superlative most incontestible)

comparative more incontestible · superlative most incontestible

alternativeAlternative spelling of incontestable.

Synonyms & antonyms

adjectiveincapable of being contested or disputed

Similar

incontestable demonstrable incontrovertible demonstrated inarguable unarguable unassailable unshakable watertight

Also see

bulletproof demonstrable inarguable incontestable incontrovertible ironclad unanswerable unarguable unassailable unshakable watertight

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From in- + contestible.

Full word history & related roots →

Cite this entry

APA

incontestible. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/incontestible

MLA

“incontestible.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/incontestible. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “incontestible,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/incontestible.

Source: incontestible on Wiktionary, CC BY-SA 4.0.