Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun vermin

2 senses of vermin

Sense 1
vermin, varmint -- (an irritating or obnoxious person)
       => bad person -- (a person who does harm to others)

Sense 2
vermin -- (any of various small animals or insects that are pests; e.g. cockroaches or rats; "cereals must be protected from mice and other vermin"; "he examined the child's head for vermin"; "boys in the village have probably been shooting vermin")
       => pest -- (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")