THESAURUS
pestiferous
aggravating, annoying, bad, bad for, baneful, bothering, bothersome, catching, communicable, contagious, contaminated, deadly, destructive, disturbing, endemic, envenomed, epidemial, epidemic, epiphytotic, epizootic, exasperating, foul, galling, harassing, harmful, importunate, importune, infectious, infective, injurious, inoculable, insalubrious, insanitary, irking, irksome, irritating, malign, malignant, mephitic, miasmal, miasmatic, miasmic, morbific, noisome, noxious, pandemic, pathogenic, peccant, pesky, pestering, pestilent, pestilential, plaguesome, plaguey, plaguing, poisonous, polluted, provoking, septic, sporadic, spreading, tainted, taking, teasing, tiresome, tormenting, toxic, toxicant, toxiferous, troublesome, troubling, unhealthful, unhealthy, unhygienic, unsanitary, unwholesome, venenate, veneniferous, venenous, venomous, vexatious, vexing, virulent, wearisome, worrisome, worrying, zymotic
ROGET THESAURUS
pestiferous
Insalubrity
N
insalubrity, unhealthiness, nonnaturals, plague spot, malaria, death in the pot, contagion, toxicity, insalubrious, unhealthy, unwholesome, noxious, noisome, morbific, morbiferous, mephitic, septic, azotic, deleterious, pestilent,
pestiferous, pestilential, virulent, venomous, envenomed, poisonous, toxic, toxiferous, teratogenic, narcotic, contagious, infectious, catching, taking, epidemic, zymotic, epizootic, innutritious, indigestible, ungenial, uncongenial, deadly.