Incontestable and Valid

Incontestable

Incontestable adjective - Not capable of being challenged or proved wrong.

Valid and incontestable are semantically related. In some cases you can use "Valid" instead an adjective "Incontestable".

Nearby Word: incontestability

Valid

Valid adjective - According to the rules of logic.

Incontestable and valid are semantically related. Sometimes you can use "Incontestable" instead an adjective "Valid".

Nearby Words: validity, validation
Cite this Source
Valid and Incontestable. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/incontestable/valid
Incontestable & Valid. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/incontestable/valid>.
Valid or Incontestable. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/incontestable/valid.
Google Ngram Viewer shows how "incontestable" and "valid" have occurred on timeline