| infectious(adjective, move, unhealthy, widespread, fatal) |
| catching(verb, adjective, move, widespread, toxic) |
| communicable(adjective, move, able, widespread, catching) |
| transmissible(adjective, communicable) |
| epidemic(noun, adjective, widespread, catching, toxic) |
| spreading(verb, adjective, communicable) |
| deadly(adjective, foul, unhealthy, communicable) |
| transmittable(adjective, catching, toxic, spreading, infectious) |
| taking(verb, adjective, move, catching, infectious) |
| noxious(adjective, foul, unhealthy) |
| poisonous(adjective, foul, unhealthy, baneful, communicable) |
| pestilential(adjective, foul, communicable) |
| infective |
| toxic(adjective, unhealthy) |
| endemic(adjective, widespread, wide-ranging, infectious, communicable) |
| pestiferous(adjective, annoying, communicable) |
| contractable |
| malignant(adjective, unhealthy) |
| zymotic(adjective, insalubrity) |
| epizootic(adjective, communicable, insalubrity) |