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[vur-min] /ˈvɜr mɪn/
noun, plural vermin.
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.
an objectionable or obnoxious person, or such persons collectively.
animals that prey upon game, as coyotes or weasels.
Origin of vermin
1300-50; Middle English vermyne < Anglo-French, Middle French vermin, vermine < Vulgar Latin *verminum, *vermina, based on Latin vermin-; see verminate Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for vermin
Contemporary Examples
Historical Examples
  • Did I not very particularly ask you whether there were any vermin in it?

    The White Company Arthur Conan Doyle
  • These vermin are more to be feared than hangman's cord or headsman's axe.'

    Micah Clarke Arthur Conan Doyle
  • The world in general is under a mistake as to the nature of these vermin.

    Vivian Grey Earl of Beaconsfield, Benjamin Disraeli
  • He belonged to the class of humanity which you can call by no other name than that of vermin.

    The Avenger E. Phillips Oppenheim
  • Suddenly he thrust out an arm and appeared to crush some vermin against the wall.

    L'Assommoir Emile Zola
British Dictionary definitions for vermin


(functioning as pl) small animals collectively, esp insects and rodents, that are troublesome to man, domestic animals, etc
(pl) -min. an unpleasant, obnoxious, or dangerous person
Word Origin
C13: from Old French vermine, from Latin vermis a worm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for vermin

c.1300, "noxious animals," from Anglo-French and Old French vermin, from Vulgar Latin *verminum "vermin," possibly including bothersome insects, collective noun formed from Latin vermis "worm" (see worm). Extended to "low, obnoxious people" by 1560s.

Online Etymology Dictionary, © 2010 Douglas Harper
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vermin in Medicine

vermin ver·min (vûr'mĭn)
n. pl. vermin
Any of various small animals or insects, such as rats or cockroaches, that are destructive, annoying, or injurious to health.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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