Antonyms of adj pestilential

1 sense of pestilential

Sense 1
pestilent, pestilential, pestiferous, plaguey -- (likely to spread and cause an epidemic disease; "a pestilential malignancy in the air"- Jonathan Swift; "plaguey fevers")

INDIRECT (VIA epidemic, ecdemic) -> endemic, endemical -- (of or relating to a disease (or anything resembling a disease) constantly present to greater or lesser extent in a particular locality; "diseases endemic to the tropics"; "endemic malaria"; "food shortages and starvation are endemic in certain parts of the world")
INDIRECT (VIA endemic, epidemic) -> ecdemic -- (of or relating to a disease that originates outside the locality in which it occurs)

Similarity of adj pestilential

1 sense of pestilential

Sense 1
pestilent, pestilential, pestiferous, plaguey -- (likely to spread and cause an epidemic disease; "a pestilential malignancy in the air"- Jonathan Swift; "plaguey fevers")
       => epidemic (vs. endemic) (vs. ecdemic) -- ((especially of medicine) of disease or anything resembling a disease; attacking or affecting many individuals in a community or a population simultaneously; "an epidemic outbreak of influenza")