Impure
Impure adjective - Containing foreign or lower-grade substances.
Undecorous and impure are semantically related In some cases you can use "Undecorous" instead an adjective "Impure".
Undecorous
Impure and undecorous are semantically related in obscene topic. Sometimes you can use "Impure" instead an adjective "Undecorous".
Mutual synonyms
Cite this Source
Undecorous and Impure. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/impure/undecorous
Impure & Undecorous. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/impure/undecorous>.
Undecorous or Impure. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/impure/undecorous.
Google Ngram Viewer shows how "impure" and "undecorous" have occurred on timeline