Acid-fast
Acid-fast adjective - Not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis).
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Synonyms for Acid-fast
Impermeable and acid-fast are semantically related. In some cases you can use "Impermeable" instead an adjective phrase "Acid-fast".
Impermeable
Impermeable adjective - Impossible to get through or into.
Acid-fast and impermeable are semantically related. You can use "Acid-fast" instead an adjective "Impermeable".
Nearby Word: impermeability
Mutual synonyms
Cite this Source
Impermeable and Acid-fast. (2017). Retrieved 2026, July 31, from https://thesaurus.plus/related/acid-fast/impermeable
Acid-fast & Impermeable. N.p., 2017. Web. 31 Jul. 2026. <https://thesaurus.plus/related/acid-fast/impermeable>.
Impermeable or Acid-fast. 2017. Accessed July 31, 2026. https://thesaurus.plus/related/acid-fast/impermeable.
