perniciously

2 definitions found

perniciously - Collaborative International Dictionary of English v.0.48 :

  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]

perniciously - WordNet (r) 2.1 (2005) :

  perniciously
      adv 1: in a harmfully insidious manner; "these drugs act
             insidiously" [syn: insidiously, perniciously]
      2: in a noxiously baneful way; "this banefully poisoned climate"
         [syn: banefully, perniciously]