You searched for: “pestiferousness
pestiferousness (s) (noun) (usually no plural)
A particularly fatal epidemic disease; especially, in the past with the bubonic plague: For a report in school, Jane found out that International health organizations are concerned about the pestiferousness of Ebola virus, which is largely limited to parts of Africa; at least for now.
This entry is located in the following units: -fer, -ferous (page 5) pesti-, pest- + (page 1)