Solid
Solid adjective - Based on sound reasoning or information.
Waterproof and solid are semantically related. In some cases you can use "Waterproof" instead an adjective "Solid".
Waterproof
Waterproof adjective - Made of or treated with material that does not allow water to penetrate.
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Synonyms for Waterproof
Solid and waterproof are semantically related. Sometimes you can use "Solid" instead an adjective "Waterproof".
Nearby Words: waterproofed, waterproofing
Cite this Source
Waterproof and Solid. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/solid/waterproof
Solid & Waterproof. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/solid/waterproof>.
Waterproof or Solid. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/solid/waterproof.
Google Ngram Viewer shows how "solid" and "waterproof" have occurred on timeline