Noxious
Noxious adjective - Causing or capable of causing harm.
Usage example: noxious smog that for years has been encrusting the historic cathedral with soot
Unsound and noxious are semantically related in dangerous topic. In some cases you can use "Unsound" instead an adjective "Noxious".
Nearby Words: noxiousness, noxiously
Cite this Source
Unsound and Noxious. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/noxious/unsound
Noxious & Unsound. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/noxious/unsound>.
Unsound or Noxious. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/noxious/unsound.
Google Ngram Viewer shows how "noxious" and "unsound" have occurred on timeline