Having a bad smell, as of decay; putrid
Not conducive to morality; morally harmful:
The definition of noxious is something very unpleasant or something poisonous.
Causing or able to cause harm; hurtful
Containing or being a poison:
Find another word for malarious. In this page you can discover 5 synonyms, antonyms, idiomatic expressions, and related words for malarious, like: fetid, unwholesome, noxious, harmful and poisonous.