<p><strong>Noun</strong></p><ul><li>plural vermin</li><li>noxious, objectionable, or disgusting animals collectively, especially those of small size that appear commonly and are difficult to control, as flies, lice, bedbugs, cockroaches, mice, and rats.</li><li>an objectionable or obnoxious person, or such persons collectively.</li><li>animals that prey upon game, as coyotes or weasels.</li></ul>