pestiferous

pes·tif·er·ous  (p-stfr-s)

adj.

1.

a. Producing or breeding infectious disease.

b. Infected with or contaminated by an epidemic disease.

2. Morally evil or deadly; pernicious.

3. Bothersome; annoying.

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[Middle English, from Latin pestiferus, variant of pestifer : pestis, pestilence; see pest + -fer, -fer.]

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pes·tifer·ous·ly adv.

pes·tifer·ous·ness n.

Thesaurus

Adj.	1.	pestiferous - contaminated with infecting organisms; "dirty wounds"; "obliged to go into infected rooms"- Jane Austen dirty infected, septic - containing or resulting from disease-causing organisms; "a septic sore throat"; "a septic environment"; "septic sewage"
	2.	pestiferous - likely to spread and cause an epidemic disease; "a pestilential malignancy in the air"- Jonathan Swift; "plaguey fevers" pestilential, plaguey, pestilent epidemic - (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"
	3.	pestiferous - tending to corrupt or pervert corruptive, perversive evil - morally bad or wrong; "evil purposes"; "an evil influence"; "evil deeds"
	4.	pestiferous - 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" annoying, bothersome, galling, irritating, nettlesome, pesky, pestering, plaguy, vexatious, vexing, plaguey, teasing disagreeable - not to your liking; "a disagreeable situation"