adjective
- causing or likely to cause epidemic disease
- morally corrupting or pernicious
- annoying or troublesome
Usage: informal
Examples
- The pestilent swamps bred mosquitoes that spread malaria.
- Medieval cities feared pestilent air from rotting garbage.
- The politician denounced the pestilent influence of corruption.
- She complained about her pestilent neighbor’s loud music.
- The pestilent rumors spread quickly through the small town.
- Ancient texts warned of pestilent vapors rising from marshlands.
- His pestilent attitude made him unpopular with coworkers.