Definition of pest

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  • pest is a valid Scrabble US word with a point value of 6
  • pest is a valid Scrabble UK word with a point value of 6
  • pest is a valid Words with friends word with a point value of 7

Definition of pest

  • any epidemic disease with a high death rate (noun)

    Synonyms

    1. pestilence
    2. plague
  • a persistently annoying person (noun)

    Synonyms

    1. blighter
    2. cuss
    3. gadfly
    4. pesterer
  • 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 (noun)

    Synonyms

    1. pestilence
    2. pestis
    3. plague
  • any unwanted and destructive insect or other animal that attacks food or crops or livestock etc. (noun)

    Examples

    1. he sprayed the garden to get rid of pests
    2. many pests have developed resistance to the common pesticides

See definition of pest in Merriam Webster