producing or tending to produce infectious or contagious, often epidemic, disease; pestilential.
destructive to life; deadly; poisonous.
injurious to peace
, morals, etc.; pernicious.
troublesome, annoying, or mischievous.
Origin: 1350–1400; Middle English Related forms
< Latin pestilent-
(stem of pestilēns
) unhealthy, noxious, alteration of pestilentus,
equivalent to pesti-
(stem of pestis
+ -lentus -lent