Impassable and Waterproof

Impassable

Impassable adjective - Impossible to get through or into.

Waterproof and impassable are semantically related. In some cases you can use "Waterproof" instead an adjective "Impassable".

Nearby Words: impasse, impassible

Waterproof

Waterproof adjective - Made of or treated with material that does not allow water to penetrate.
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Synonyms for Waterproof

Impassable and waterproof are semantically related. Sometimes you can use "Impassable" instead an adjective "Waterproof".

Nearby Words: waterproofed, waterproofing
Cite this Source
Waterproof and Impassable. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/impassable/waterproof
Impassable & Waterproof. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/impassable/waterproof>.
Waterproof or Impassable. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/impassable/waterproof.
Google Ngram Viewer shows how "impassable" and "waterproof" have occurred on timeline