Antonyms of adj pestiferous

4 senses of pestiferous

Sense 1
dirty, pestiferous -- (contaminated with infecting organisms; "dirty wounds"; "obliged to go into infected rooms"- Jane Austen)

INDIRECT (VIA septic) -> antiseptic -- (thoroughly clean and free of or destructive to disease-causing organisms; "doctors in antiseptic green coats"; "the antiseptic effect of alcohol"; "it is said that marjoram has antiseptic qualities")

Sense 2
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)

Sense 3
corruptive, perversive, pestiferous -- (tending to corrupt or pervert)

INDIRECT (VIA evil) -> good -- (morally admirable)

Sense 4
annoying, bothersome, galling, irritating, nettlesome, pesky, pestering, pestiferous, plaguy, plaguey, teasing, vexatious, vexing -- (causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong")

INDIRECT (VIA disagreeable) -> agreeable -- (conforming to your own liking or feelings or nature; "Is the plan agreeable to you?"; "he's an agreeable fellow"; "My idea of an agreeable person...is a person who agrees with me"- Disraeli; "an agreeable manner")

Similarity of adj pestiferous

4 senses of pestiferous

Sense 1
dirty, pestiferous -- (contaminated with infecting organisms; "dirty wounds"; "obliged to go into infected rooms"- Jane Austen)
       => septic (vs. antiseptic), infected -- (containing or resulting from disease-causing organisms; "a septic sore throat"; "a septic environment"; "septic sewage")

Sense 2
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")

Sense 3
corruptive, perversive, pestiferous -- (tending to corrupt or pervert)
       => evil (vs. good) -- (morally bad or wrong; "evil purposes"; "an evil influence"; "evil deeds")

Sense 4
annoying, bothersome, galling, irritating, nettlesome, pesky, pestering, pestiferous, plaguy, plaguey, teasing, vexatious, vexing -- (causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong")
       => disagreeable (vs. agreeable) -- (not to your liking; "a disagreeable situation")