[noun] a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of an infected rat flea (especially bubonic plague)
[noun] any epidemic disease with a high death rate Synonyms: pestilence
[noun] a swarm of insects that attack plants; "a plague of grasshoppers" Synonyms: infestation
[noun] any large scale calamity (especially when thought to be sent by God)
[noun] an annoyance; "those children are a damn plague"
[verb] cause to suffer a blight; "Too much rain may blight the garden with mold" Synonyms: blight