Definitions
1.AdjectiveOf or relating to pestilence or plague.
Producing, spreading, promoting or infected with pestilence; causing infection."pestilential fever; pestilential sweating"
2.AdjectiveProducing, spreading, promoting or infected with pestilence; causing infection.
3.AdjectiveSpreading in the manner of pestilence.
4.AdjectiveCaused by pestilence."pestilential fever; pestilential sweating"
5.AdjectiveDuring which pestilence spreads.
6.AdjectiveHaving a harmful moral effect (especially one that is believed to spread in the manner of pestilence).
7.AdjectiveCausing irritation or annoyance.