vermin
ver·min
noun
1.
an irritating or obnoxious person
Origin
From Middle English vermyn, vermyne, from Old French vermine, from Vulgar Latin *verminum (“vermin”), collective noun formed from Latin vermis (“worm”). Compare vermiculate and vermivorous. See also worm.
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Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.