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Definition of Noxious
1. Adjective. Injurious to physical or mental health. "Noxious ideas"
Similar to: Baneful, Deadly, Pernicious, Pestilent, Corrupting, Degrading, Vesicant, Vesicatory
Antonyms: Innocuous
Derivative terms: Noxiousness
Definition of Noxious
1. a. Hurtful; harmful; baneful; pernicious; injurious; destructive; unwholesome; insalubrious; as, noxious air, food, or climate; pernicious; corrupting to morals; as, noxious practices or examples.
Definition of Noxious
1. Adjective. Harmful; injurious. ¹
¹ Source: wiktionary.com
Definition of Noxious
1. harmful to health [adj]
Medical Definition of Noxious
1. 1. Hurtful; harmful; baneful; pernicious; injurious; destructive; unwholesome; insalubrious; as, noxious air, food, or climate; pernicious; corrupting to morals; as, noxious practices or examples. "Too frequent an appearance in places of public resort is noxious to spiritual promotions." (Swift) 2. Guilty; criminal. "Those who are noxious in the eye of the law." (Abp. Bramhall) Synonym: Noisome, hurtful, harmful, injurious, destructive, pernicious, mischievous, corrupting, baneful, unwholesome, insalubrious. See Noisome. Nox"iously, Nox"iousness. Origin: L. Noxius, fr. Noxa harm; akin to nocere to harm, hurt. Cf. Nuisance, Necromancy. Source: Websters Dictionary (01 Mar 1998)