— pestilentially , adv. — pestilentialness , n.
/pes'tl en"sheuhl/ , adj.
1. producing or tending to produce pestilence.
2. pertaining to or of the nature of pestilence, esp. bubonic plague.
3. pernicious; harmful.
4. annoyingly troublesome.
[ 1350-1400; ME pestilentialis. See PESTILENT, -IAL ]