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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

nox·ious

Audio Help [nok-shuh

–adjective

1.	harmful or injurious to health or physical well-being: noxious fumes.

2.	morally harmful; corrupting; pernicious: a noxious plan to spread dissension.

[Origin: 1605–15; < L noxius harmful, hurtful, injurious, equiv. to nox(a) harm, hurt, injury (akin to nocére to do harm, inflict injury; see innocent) + -ius -ious

]

—Related forms

nox·ious·ly, adverb

nox·ious·ness, noun

—Synonyms 1. hurtful, unwholesome, unhealthy, nocuous, detrimental, deleterious. 2. corruptive.

—Antonyms 1, 2. harmless.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
noxious

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American Heritage Dictionary - Cite This Source - Share This

nox·ious Audio Help (nŏk'shəs) Pronunciation Key
adj.

Harmful to living things; injurious to health: noxious chemical wastes.
Harmful to the mind or morals; corrupting: noxious ideas.

[Middle English noxius, from Latin, from noxa, damage; see nek-¹ in Indo-European roots.]

nox'ious·ly adv., nox'ious·ness n.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
noxious

1612, from L. noxius "hurtful, injurious," from noxa "injury, hurt, damage entailing liability" (related to nocere "to hurt," and to nex "slaughter"), from PIE *nek-ro-, causative form of root *nek- "death" (cf. Skt. nasyati "disappears, perishes," Avestan nasyeiti, Gk. nekus "dead body, corpse," O.Ir. ec, Bret. ankou "death."

WordNet - Cite This Source - Share This

noxious
adjective
injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas" [ant: innocuous]

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

nox·ious (nkshs)
adj.

Harmful to living things; injurious to health.

noxious·ness n.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This

Main Entry: nox·ious
Pronunciation: 'näk-sh&s
Function: adjective
: physically harmful or destructive to living beings <noxious wastes that turn our streams into sewers>

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

In"no*cent\, a. [F. innocent, L. innocens, -entis; pref. in- not + nocens, p. pr. of nocere to harm, hurt. See Noxious.]

1. Not harmful; free from that which can injure; innoxious; innocuous; harmless; as, an innocent medicine or remedy.

The spear Sung innocent,and spent its force in air. --Pope.

2. Morally free from guilt; guiltless; not tainted with sin; pure; upright.

To offer up a weak, poor, innocent lamb. --Shak.

I have sinned in that I have betrayed the innocent blood. --Matt. xxvii. 4.

The aidless,innocent lady, his wished prey. --Milton.

3. Free from the guilt of a particular crime or offense; as, a man is innocent of the crime charged.

Innocent from the great transgression. --Ps. xix. 13.

4. Simple; artless; foolish. --Shak.

5. Lawful; permitted; as, an innocent trade.

6. Not contraband; not subject to forfeiture; as, innocent goods carried to a belligerent nation.

Innocent party (Law),a party who has not notice of a fact tainting a litigated transaction with illegality.

Syn: Harmless; innoxious; innoffensive; guiltless; spotless; immaculate; pure; unblamable; blameless; faultless; guileless; upright.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

In*nox"ious\, a. [L. innoxius. See In- not, and Noxious.]

1. Free from hurtful qualities or effects; harmless. "Innoxious flames." --Sir K. Digby.

2. Free from crime; pure; innocent. --Pope. -- In*nox`ious*ly, adv. -- In*nox"ious*ness, n.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

Nec"ro*man`cy\, n. [OE. nigromaunce, nigromancie, OF. nigromance, F. n['e]cromance, n['e]cromancie, from L. necromantia, Gr. ?; ? a dead body (akin to L. necare to kill, Skr. na(?) to perish, vanish) + ? divination, fr. ? diviner, seer, akin to E. mania. See Mania, and cf. Internecine, Noxious. The old spelling is due to confusion with L. niger black. Hence the name black art.] The art of revealing future events by means of a pretended communication with the dead; the black art; hence, magic in general; conjuration; enchantment. See Black art.

This palace standeth in the air, By necromancy plac[`e]d there. --Drayton.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

No"cent\, a. [L. nocens, p. pr. of nocere to hurt. See Nuisance, Noxious.]

1. Doing hurt, or having a tendency to hurt; hurtful; mischievous; noxious; as, nocent qualities. --I. Watts.

2. Guilty; -- the opposite of innocent. [Obs.] --Foxe.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

Noi"some\, a. [For noysome, fr. noy for annoy. See Annoy.]

1. Noxious to health; hurtful; mischievous; unwholesome; insalubrious; destructive; as, noisome effluvia. "Noisome pestilence." --Ps. xci. 3.

2. Offensive to the smell or other senses; disgusting; fetid. "Foul breath is noisome." --Shak. -- Noi"some*ly, adv. -- Noi"some*ness, n.

Syn: Noxious; unwholesome; insalubrious; mischievous; destructive.

Usage: Noisome, Noxious. These words have to a great extent been interchanged; but there is a tendency to make a distinction between them, applying noxious to things that inflict evil directly; as, a noxious plant, noxious practices, etc., and noisome to things that operate with a remoter influence; as, noisome vapors, a noisome pestilence, etc. Noisome has the additional sense of disqusting. A garden may be free from noxious weeds or animals; but, if recently covered with manure, it may be filled with a noisome smell.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

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. --Swift.

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.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

Nui"sance\, n. [OE. noisance, OF. noisance, nuisance, fr. L. nocentia guilt, fr. nocere to hurt, harm; akin to necare to kill. Cf Necromancy, Nocent, Noxious, Pernicious.] That which annoys or gives trouble and vexation; that which is offensive or noxious.

Note: Nuisances are public when they annoy citizens in general; private, when they affect individuals only.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Noxious

Ob*nox"ious\ ([o^]b*n[o^]k"sh[u^]s), a. [L. obnoxius; ob (see Ob-) + noxius hurtful. See Noxious.]

1. Subject; liable; exposed; answerable; amenable; -- with to.

The writings of lawyers, which are tied obnoxious to their particular laws. --Bacon.

Esteeming it more honorable to live on the public than to be obnoxious to any private purse. --Milton.

Obnoxious, first or last, To basest things --Milton.

2. Liable to censure; exposed to punishment; reprehensible; blameworthy. "The contrived and interested schemes of . . . obnoxious authors." --Bp. Fell.

All are obnoxious, and this faulty land, Like fainting Hester, does before you stand Watching your scepter. --Waller.

3. Offensive; odious; hateful; as, an obnoxious statesman; a minister obnoxious to the Whigs. --Burke. -- Ob*nox"ious*ly, adv. -- Ob*nox"ious*ness, n. --South.

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