say it: VUR-min
vermin is a noun meaning "an irritating or obnoxious person". It carries 2 recorded senses.
an irritating or obnoxious person
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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for vermin come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.