noxious


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nox·ious

 (nŏk′shəs)
adj.
1. Harmful to living things; injurious to health: noxious chemical wastes.
2. Harmful to the mind or morals; corrupting: noxious ideas.

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

nox′ious·ly adv.
nox′ious·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

noxious

(ˈnɒkʃəs)
adj
1. poisonous or harmful
2. harmful to the mind or morals; corrupting
[C17: from Latin noxius harmful, from noxa injury]
ˈnoxiously adv
ˈnoxiousness n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

nox•ious

(ˈnɒk ʃəs)

adj.
1. harmful to health or physical well-being: noxious fumes.
2. morally harmful; corrupting.
[1605–15; < Latin noxius harmful, injurious =nox(a) harm (akin to nocēre to do harm; compare innocent) + -ius -ious]
nox′ious•ly, adv.
nox′ious•ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.noxious - injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas"
harmful - causing or capable of causing harm; "too much sun is harmful to the skin"; "harmful effects of smoking"
toxic - of or relating to or caused by a toxin or poison; "suffering from exposure to toxic substances"
unwholesome - detrimental to physical or moral well-being; "unwholesome food"; "unwholesome habits like smoking"
innocuous - not injurious to physical or mental health
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

noxious

adjective harmful, deadly, poisonous, unhealthy, hurtful, pernicious, injurious, unwholesome, noisome, pestilential, insalubrious, foul, baneful (archaic) carbon monoxide and other noxious gases
safe, harmless, innocuous, not dangerous, nontoxic
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

noxious

adjective
Extremely destructive or harmful:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations

noxious

[ˈnɒkʃəs] ADJnocivo
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

noxious

[ˈnɒkʃəs] adj [fumes, gas, substance] → toxique
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

noxious

adj
(= harmful)schädlich; (= toxic) fumes, gas, substancegiftig
(= repugnant) smell, habitübel; attitudewiderlich
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

noxious

[ˈnɒkʃəs] adjnocivo/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in classic literature ?
Why do I find myself viewing this fellow in the light of a noxious insect?
Miss Bridget had always exprest so great a regard for what the ladies are pleased to call virtue, and had herself maintained such a severity of character, that it was expected, especially by Wilkins, that she would have vented much bitterness on this occasion, and would have voted for sending the child, as a kind of noxious animal, immediately out of the house; but, on the contrary, she rather took the good-natured side of the question, intimated some compassion for the helpless little creature, and commended her brother's charity in what he had done.
The dairyman, who had thrown himself into abstraction to better realize the taste, and so divine the particular species of noxious weed to which it appertained, suddenly exclaimed--
He compared it with all the noxious experiences he had ever had--the drainage of war hospitals, of slaughter-houses, the refuse of dissecting rooms.
"Heaven grant that they may be of a kind sufficiently noxious for the doctor to let me peg away at them!"
When spring came on, the soldiers found a plant just showing out of the ground that looked like asparagus, which, for some reason, they called "Mashka's sweet root." It was very bitter, but they wandered about the fields seeking it and dug it out with their sabers and ate it, though they were ordered not to do so, as it was a noxious plant.
A breath of wind brought a strong, noxious odour to the two men who stood watching.
So frightful was the situation--the mysterious light burned with so silent and awful a menace; the noxious plants, the trees that by common consent are invested with a melancholy or baleful character, so openly in his sight conspired against his peace; from overhead and all about came so audible and startling whispers and the sighs of creatures so obviously not of earth--that he could endure it no longer, and with a great effort to break some malign spell that bound his faculties to silence and inaction, he shouted with the full strength of his lungs!
Ardan wished to convey a number of animals of different sorts, not indeed a pair of every known species, as he could not see the necessity of acclimatizing serpents, tigers, alligators, or any other noxious beasts in the moon.
Yes, I said; but small and great are comparative terms, and all these things, in the misery and evil which they inflict upon a State, do not come within a thousand miles of the tyrant; when this noxious class and their followers grow numerous and become conscious of their strength, assisted by the infatuation of the people, they choose from among themselves the one who has most of the tyrant in his own soul, and him they create their tyrant.
But when the disease was more stubborn and violent, he let in the muzzle while the bellows were full of wind, which he discharged into the body of the patient; then withdrew the instrument to replenish it, clapping his thumb strongly against the orifice of then fundament; and this being repeated three or four times, the adventitious wind would rush out, bringing the noxious along with it, (like water put into a pump), and the patient recovered.
Let him who calls me wild beast and basilisk, leave me alone as something noxious and evil; let him who calls me ungrateful, withhold his service; who calls me wayward, seek not my acquaintance; who calls me cruel, pursue me not; for this wild beast, this basilisk, this ungrateful, cruel, wayward being has no kind of desire to seek, serve, know, or follow them.