'Pernicious' definitions:
Definition of 'pernicious'
From: WordNet
Definition of 'Pernicious'
From: GCIDE
- Pernicious \Per*ni"cious\, a. [L. pernix, -icis.] Quick; swift (to burn). [R.] --Milton. [1913 Webster]
Definition of 'Pernicious'
From: GCIDE
- Pernicious \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. [1913 Webster]
- Let this pernicious hour Stand aye accursed in the calendar. --Shak. [1913 Webster]
- Pernicious to his health. --Prescott. [1913 Webster]
- Syn: Destructive; ruinous; deadly; noxious; injurious; baneful; deleterious; hurtful; mischievous. [1913 Webster] -- {Per*ni"cious*ly}, adv., -- {Per*ni"cious*ness}, n. [1913 Webster]
Synonyms of 'pernicious'
From: Moby Thesaurus
- 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