Valid
Valid adjective - According to the rules of logic.
Watertight and valid are semantically related In some cases you can use "Watertight" instead an adjective "Valid".
Nearby Words: validity, validation
Watertight
Watertight adjective - Not allowing water to pass in or out.
Valid and watertight are semantically related in accurate topic. Sometimes you can use "Valid" instead an adjective "Watertight".
Mutual synonyms
Cite this Source
Watertight and Valid. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/valid/watertight
Valid & Watertight. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/valid/watertight>.
Watertight or Valid. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/valid/watertight.
Google Ngram Viewer shows how "valid" and "watertight" have occurred on timeline