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a. Producing or breeding infectious disease.
b. Infected with or contaminated by an epidemic disease.
2. Morally evil or deadly; pernicious.
3. Bothersome; annoying.

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

pes·tif′er·ous·ly adv.
pes·tif′er·ous·ness n.


(pɛˈstɪfərəs) or


1. informal troublesome; irritating
2. (Pathology) breeding, carrying, or spreading infectious disease
3. corrupting; pernicious
[C16: from Latin pestifer, from pestis contagious disease, pest + ferre to bring]
pesˈtiferously adv
pesˈtiferousness n


(pɛˈstɪf ər əs)

1. bringing or bearing disease.
2. pernicious; dangerous.
3. troublesome; annoying.
[1425–75; late Middle English < Latin pestiferus plague-bringing =pesti- (s. of pestis) pest + -ferus -ferous]
pes•tif′er•ous•ly, adv.
pes•tif′er•ous•ness, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.pestiferous - contaminated with infecting organisms; "dirty wounds"; "obliged to go into infected rooms"- Jane Austen
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"
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
evil - morally bad or wrong; "evil purposes"; "an evil influence"; "evil deeds"
4.pestiferous - causing irritation or annoyancepestiferous - 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 - not to your liking; "a disagreeable situation"


adjverpestet; (inf: = annoying) → lästig
References in classic literature ?
That comes--as you call it--of being arrant asses," retorted the doctor, "and not having sense enough to know honest air from poison, and the dry land from a vile, pestiferous slough.
He had hitched his wagon to a star and been landed in a pestiferous marsh.
You're devilish early at this pestiferous old slaughter-house,' said that gentleman, poising himself on one leg, and shaking the other in an easy manner.
For your highnesses must know that, going a few days back to kiss her hands and receive her benediction, approbation, and permission for this third sally, I found her altogether a different being from the one I sought; I found her enchanted and changed from a princess into a peasant, from fair to foul, from an angel into a devil, from fragrant to pestiferous, from refined to clownish, from a dignified lady into a jumping tomboy, and, in a word, from Dulcinea del Toboso into a coarse Sayago wench.
Krook's and bears off the body of our dear brother here departed to a hemmed-in churchyard, pestiferous and obscene, whence malignant diseases are communicated to the bodies of our dear brothers and sisters who have not departed, while our dear brothers and sisters who hang about official back-stairs--would to heaven they HAD departed
The clothes, on the other hand, were new to me, though older and more pestiferous in themselves than most worn by Raffles for professional purposes.
And the pestiferous absurdity of his talk,' continued the other;
And I knew well enough the pestiferous danger of such a character where there are no means of legal repression.
And on the luster of the great calm waters the Judea glided imperceptibly, enveloped in languid and unclean vapors, in a lazy cloud that drifted to leeward, light and slow: a pestiferous cloud defiling the splendor of sea and sky.
Interactions between tephritid fruit fly physiological state and stimuli from baits and traps: looking for the pied piper of Hamelin to lure pestiferous fruit flies, pp.
The prevalence of both invasive pest species in guava orchards, with more than 80% of captured drosophilid flies comprising these exotic species, highlights the importance of defining the ecological niche of these pests in Mexico and their possible interaction with pestiferous tephritids (Anastrepha spp.
germanus because these are the major pestiferous ambrosia beetle species in ornamental tree nurseries.