Applied to animals, esp. of a destructive or dangerous nature.

Of animals: harmful, noxious. Obsolete. rare.

Of the nature of vermin; like (that of) vermin.

Belonging to the animals classed as vermin.

Of an animal, esp. an insect: harmful, destructive. Also: constituting a plague. Also in extended use. Cf. pestiferous, adj. 2b.

literal. Of an organism, esp. an insect: harmful, destructive.

= vermineous, adj.