Impure
Impure adjective - Depicting or referring to sexual matters in a way that is unacceptable in polite society.
Usage example: Victorian notions of what qualified as impure art now strike us as laughable
Off and impure are semantically related. In some cases you can use "Off" instead an adjective "Impure".
Off
Cite this Source
Off and Impure. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impure/off
Impure & Off. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impure/off>.
Off or Impure. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impure/off.
Google Ngram Viewer shows how "impure" and "off" have occurred on timeline