Meaning of PERNICIOUS
Pronunciation: | | pur'nishus
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WordNet Dictionary |
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- [adj] working or spreading in a hidden and usually injurious way; "glaucoma is an insidious disease"; "a subtle poison"
- [adj] exceedingly harmful
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| Synonyms: | | baneful, deadly, harmful, insidious, noxious, pestilent, subtle |
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Webster's 1913 Dictionary |
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\Per*ni"cious\, a. [L. pernix, -icis.]
Quick; swift (to burn). [R.] --Milton.
\Per*ni"cious\, a. [L. perniciosus, from pernicies
destruction, from pernecare to kill or slay outright; per +
necare to kill, slay: cf. F. pernicieux. Cf. {Nuisance},
{Necromancy}.]
Having the quality of injuring or killing; destructive; very
mischievous; baleful; malicious; wicked.
Let this pernicious hour Stand aye accursed in the
calendar. --Shak.
Pernicious to his health. --Prescott.
Syn: Destructive; ruinous; deadly; noxious; injurious;
baneful; deleterious; hurtful; mischievous. --
{Per*ni"cious*ly}, adv., -- {Per*ni"cious*ness}, n.
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Medical Dictionary |
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| Definition: | | Destructive, sometimes fatal. |
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Thesaurus Terms |
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| Related Terms: | | baleful, baneful, brutal, corroding, corrosive, corrupting, corruptive, counterproductive, damaging, deadly, death-bringing, deathful, deathly, deleterious, destructive, detrimental, devastating, disadvantageous, disserviceable, distressing, fatal, feral, harmful, hurtful, injurious, internecine, killing, lethal, malefic, maleficent, malevolent, malign, malignant, miasmatic, miasmic, mischievous, mortal, noisome, noxious, ominous, pestiferous, pestilent, pestilential, poisonous, prejudicial, ruinous, savage, scatheful, sinister, swart, toxic, venenate, veneniferous, venenous, venomous, vicious, virulent |
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