Noxious
Noxious adjective - Causing or capable of causing harm.
Usage example: noxious smog that for years has been encrusting the historic cathedral with soot
Unsafe and noxious are semantically related in dangerous topic. In some cases you can use "Unsafe" instead an adjective "Noxious".
Nearby Words: noxiousness, noxiously
Mutual synonyms
Cite this Source
Unsafe and Noxious. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/noxious/unsafe
Noxious & Unsafe. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/noxious/unsafe>.
Unsafe or Noxious. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/noxious/unsafe.
Google Ngram Viewer shows how "noxious" and "unsafe" have occurred on timeline