PESTIFEROUS

Definition

1. adjective contaminated with infecting organisms. — synonyms: dirty
2. adjective likely to spread and cause an epidemic disease. — synonyms: pestilent, pestilential, plaguey
3. adjective tending to corrupt or pervert. — synonyms: corruptive, perversive
4. adjective causing irritation or annoyance. — synonyms: annoying, bothersome, galling, irritating, nettlesome, pesky, pestering, plaguy