browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
perniciously |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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. 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. From WordNet r 1.6 [wn]: perniciously adv 1: in a harmfully insidious manner; "these drugs act insidiously" [syn: {insidiously}] 2: in a noxiously baneful way "this banefully poisoned climate" [syn: {banefully}]
more about perniciously