Noxious
Noxious adjective - Bad for the well-being of the body.
Poison and noxious are semantically related. In some cases you can use "Poison" instead an adjective "Noxious".
Nearby Words: noxiousness, noxiously
Both words in one sentence
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During his song in FernGully: The Last Rainforest, the sentient gas cloud Hexxus spits what he refers to as "poison sludge" onto a nearby pipe, causing it to hiss and release noxious fumes.
Source: Poison Is Corrosive -
Never mind biting; it could kill creatures with super-lethal poison just by looking them in the eyes, or when they inhale the noxious fumes it emanates.
Source: Walking Wasteland -
Fallout 3, New Vegas, and 4 have stagnate pool of watery fallout that are signaled by their noxious fumes; while the fumes don't do anything but the radiation will poison you.
Source: Deadly Gas
Cite this Source
Poison and Noxious. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/noxious/poison
Noxious & Poison. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/noxious/poison>.
Poison or Noxious. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/noxious/poison.
Google Ngram Viewer shows how "noxious" and "poison" have occurred on timeline