pestilent

Definition of Pestilent in English :

exceedingly harmful

likely to spread and cause an epidemic disease

Example Sentences:
'a pestilential malignancy in the air'
'plaguey fevers'

WordNet Lexical Database for English. Princeton University. 2010.

Pestilent

adjective

1.

annoying; irritating

2.

highly destructive morally or physically; pernicious

3.

infected with or likely to cause epidemic or infectious disease

adjective

1.

likely to cause death; deadly

2. Rare

contagious; pestilential

3.

dangerous to the security and welfare of society; pernicious

the pestilent threat of war

4.

annoying; troublesome

adj.

1.

a. Causing or likely to cause epidemic disease: a pestilent swamp.

b. Infectious or epidemic: a pestilent disease.

c. Archaic Tending to cause death; deadly.

2. Morally or socially harmful; pernicious: pestilent writings.

3. Causing annoyance or disapproval: a pestilent fool.