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pestiferous

pes·tif·er·ous [ pə stíffərəss ]


adjective 
Definition:
 
1. annoying: troublesome or annoying

2. causing infectious disease: breeding or spreading a virulently infectious disease

3. corrupting: evil and corrupting ( formal )

[15th century. < Latin pestifer "plague-carrying" < pestis "plague"]

pes·tif·er·ous·ly adverb
pes·tif·er·ous·ness noun
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