Bad
Bad adjective - Not conforming to a high moral standard; morally unacceptable.
Usage example: stealing is just plain bad
Noxious is a synonym for bad in injurious topic. In some cases you can use "Noxious" instead an adjective "Bad", when it comes to topics like adverse, deleterious, unfavorable.
Noxious
Noxious adjective - Causing or capable of causing harm.
Usage example: noxious smog that for years has been encrusting the historic cathedral with soot
Bad is a synonym for noxious in injurious topic. Sometimes you can use "Bad" instead an adjective "Noxious", if it concerns topics such as adverse, deleterious, unfavorable.
Nearby Words: noxiousness, noxiously
Mutual synonyms
Both words in one sentence
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A couple of times in The Look Alike Series by Canadibrit, a particularly noxious pizza is mentioned (so bad, Quinn slaps a Biohazard symbol on the pizza box).
Source: Acid Reflux Nightmare - Shaun and Ed say a tearful goodbye, and Ed apologizes...not for being a bad friend, but for ripping off a silent but apparently noxious fart.
Source: Mood Whiplash / Film - Bad to the Last Drop: Lena's noxious coffee- which is still better than her unspeakable brownies.
Source: Comic Strip / Crankshaft
Cite this Source
Noxious and Bad. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/bad/noxious
Bad & Noxious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/bad/noxious>.
Noxious or Bad. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/bad/noxious.
Google Ngram Viewer shows how "bad" and "noxious" have occurred on timeline