Noxious and Threatening

Noxious

Noxious adjective - Causing or capable of causing harm.
Usage example: noxious smog that for years has been encrusting the historic cathedral with soot

Threatening and noxious are semantically related. In some cases you can use "Threatening" instead an adjective "Noxious".

Nearby Words: noxiousness, noxiously

Threatening

Threatening adjective - Involving potential loss or injury.
Usage example: threatening rocks lined that narrow stretch of the river through which we would be rafting

Noxious and threatening are semantically related. Sometimes you can use "Noxious" instead an adjective "Threatening".

Nearby Words: threaten, threatened, threat
Cite this Source
Threatening and Noxious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/noxious/threatening
Noxious & Threatening. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/noxious/threatening>.
Threatening or Noxious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/noxious/threatening.
Google Ngram Viewer shows how "noxious" and "threatening" have occurred on timeline