pernicious


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per·ni·cious

 (pər-nĭsh′əs)
adj.
1. Tending to cause death or serious injury; deadly: a pernicious virus.
2. Causing great harm; destructive: pernicious rumors.

[Middle English, from Old French pernicios, from Latin perniciōsus, from perniciēs, destruction : per-, per- + nex, nec-, violent death; see nek-1 in Indo-European roots.]

per·ni′cious·ly adv.
per·ni′cious·ness n.

pernicious

(pəˈnɪʃəs)
adj
1. wicked or malicious: pernicious lies.
2. causing grave harm; deadly
[C16: from Latin perniciōsus, from perniciēs ruin, from per- (intensive) + nex death]
perˈniciously adv perˈniciousness n

per•ni•cious

(pərˈnɪʃ əs)

adj.
1. causing insidious harm or ruin; ruinous: a pernicious lie.
2. Obs. evil; wicked.
[1515–25; < Latin perniciōsus ruinous =pernici(ēs) ruin (per- per- + -nici-, comb. form of nex death, murder (s. nec-) + -iēs n. suffix) + -ōsus -ous]
per•ni′cious•ly, adv.
per•ni′cious•ness, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.pernicious - exceedingly harmfulpernicious - exceedingly harmful                  
noxious - injurious to physical or mental health; "noxious chemical wastes"; "noxious ideas"
2.pernicious - working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison"
harmful - causing or capable of causing harm; "too much sun is harmful to the skin"; "harmful effects of smoking"

pernicious

Translations

pernicious

[pɜːˈnɪʃəs]
A. ADJ
1. [idea, influence] → pernicioso
the pernicious custom ofla perniciosa or funesta costumbre de ...
2. (Med) → pernicioso
B. CPD pernicious anaemia Nanemia f perniciosa

pernicious

[pərˈnɪʃəs] adj [influence, effect] → pernicieux/euse

pernicious

adjschadlich; (Med) → pernizios, bosartig

pernicious

[pɜːˈnɪʃəs] adjnocivo/a, dannoso/a (Med) → pernicioso/a

per·ni·ci·ous

a. pernicioso-a, nocivo-a, destructivo-a.
References in classic literature ?
[*] Then there remains the most interesting subject--that, as it is, has only been touched on incidentally--of the magnificent system of military organisation in force in that country, which, in my opinion, is much superior to that inaugurated by Chaka in Zululand, inasmuch as it permits of even more rapid mobilisation, and does not necessitate the employment of the pernicious system of enforced celibacy.
He belonged, in fact, to none of the numerous societies which swarm in the English capital, from the Harmonic to that of the Entomologists, founded mainly for the purpose of abolishing pernicious insects.
But lest our readers, of a different complexion, should take this occasion of too hastily condemning all compassion as a folly, and pernicious to society, we think proper to mention another particular which might possibly have some little share in this action.