pest

definition: any unwanted and destructive insect or animal that attacks food or crops or livestock
example: The gardener sprayed the garden to get rid of pests.
speech part: noun
synonyms:
definition: a persistently annoying person
example:
speech part: noun
synonyms: gadfly cuss blighter pesterer
definition: any epidemic disease with a high death rate
example:
speech part: noun
synonyms: pestilence plague
definition: 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
example:
speech part: noun
synonyms: pestilence plague pestis

pest is explained and pronounced

How pest is being used?