Nox"ious (?), a. [L. noxius, fr. noxa harm; akin to nocere to harm, hurt. Cf. Nuisance, Necromancy.]

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.

2. Guilty; criminal. [R.]

Those who are noxious in the eye of the law.
Abp. Bramhall.

Syn. -- Noisome; hurtful; harmful; injurious; destructive; pernicious; mischievous; corrupting; baneful; unwholesome; insalubrious. See Noisome.

-- Nox"ious*ly, adv. -- Nox"ious*ness, n.