pest (n.)

  1. a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal

    [ Syn: plague , pestilence , pestis ]

  2. any epidemic disease with a high death rate

    [ Syn: plague , pestilence ]

  3. a persistently annoying person

    [ Syn: blighter , cuss , pesterer , gadfly ]

  4. any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.; he sprayed the garden to get rid of pests; many pests have developed resistance to the common pesticides'

The dictionary is based on the WordNet Electronic Lexical Database.
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