Search Result for "pestilent": 
Wordnet 3.0

ADJECTIVE (2)

1. exceedingly harmful;
[syn: baneful, deadly, pernicious, pestilent]

2. likely to spread and cause an epidemic disease;
- Example: "a pestilential malignancy in the air"- Jonathan Swift
- Example: "plaguey fevers"
[syn: pestilent, pestilential, pestiferous, plaguey]


The Collaborative International Dictionary of English v.0.48:

Pestilent \Pes"ti*lent\, a. [L. pestilens, -entis, fr. pestis pest: cf. F. pestilent.] Pestilential; noxious; pernicious; mischievous. "Corrupt and pestilent." --Milton. "What a pestilent knave is this same!" --Shak. [1913 Webster]
WordNet (r) 3.0 (2006):

pestilent adj 1: exceedingly harmful [syn: baneful, deadly, pernicious, pestilent] 2: likely to spread and cause an epidemic disease; "a pestilential malignancy in the air"- Jonathan Swift; "plaguey fevers" [syn: pestilent, pestilential, pestiferous, plaguey]