An animal, plant or disease which is declared harmful by law and which must be eradicated
injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas
If you refer to someone or something as noxious, you mean that they are extremely unpleasant. the heavy, noxious smell of burning sugar, butter, fats, and flour Their behaviour was noxious. harmful or poisonous = toxic (noxius, from noxa )
A noxious gas or substance is poisonous or very harmful. Many household products give off noxious fumes
{s} physically harmful, poisonous; injurious to moral well-being, unwholesome; disgusting (usually of a smell)
Term applied to a substance that is irritating or offensive and which may have a harmful effect on life
Means to be harmful or destructive Is a legal term used to denote a destructive or harmful pest for the purposes of regulation
Hurtful; harmful; baneful; pernicious; injurious; destructive; unwholesome; insalubrious; as, noxious air, food, or climate; pernicious; corrupting to morals; as, noxious practices or examples
injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas"
harmful (usually to agriculture); plants, animals and insects may be declared noxious by legislation, and farmers and organisations are expected to attempt to eradicate or control the noxious species