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See more synonyms for slime on Thesaurus.com
  1. thin, glutinous mud.
  2. any ropy or viscous liquid matter, especially of a foul kind.
  3. a viscous secretion of animal or vegetable origin.
  4. Also called slime·ball [slahym-bawl] /ˈslaɪmˌbɔl/. Slang. a repulsive or despicable person.
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verb (used with object), slimed, slim·ing.
  1. to cover or smear with or as if with slime.
  2. to remove slime from, as fish for canning.
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Origin of slime

before 1000; Middle English slyme, Old English slīm; cognate with Dutch slijm, German Schleim, Old Norse slīm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for slimeball

degenerate, deviant, dip, pervert, pig, scum, slob, weirdo, crud, dirtbag, scumbag, sleaze, sleazeball, slimeball

British Dictionary definitions for slimeball


  1. slang an odious and contemptible person
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  1. soft thin runny mud or filth
  2. any moist viscous fluid, esp when noxious or unpleasant
  3. a mucous substance produced by various organisms, such as fish, slugs, and fungi
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verb (tr)
  1. to cover with slime
  2. to remove slime from (fish) before canning
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Word Origin for slime

Old English slīm; related to Old Norse slīm, Old High German slīmen to smooth, Russian slimák snail, Latin līmax snail
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

Word Origin and History for slimeball



Old English slim "slime," from Proto-Germanic *slimaz (cf. Old Norse slim, Old Frisian slym, Dutch slijm "slime, phlegm," German Schleim "slime"), probably related to Old English lim "birdlime; sticky substance," from PIE root *(s)lei- "slimy, sticky, slippery" (cf. Sanskrit linati "sticks, stays, adheres to; slips into, disappears;" Russian slimak "snail;" Old Church Slavonic slina "spittle;" Old Irish sligim "to smear," leinam "I follow," literally "I stick to;" Welsh llyfn "smooth;" Greek leimax "snail," limne "marsh, pool, lake," alinein "to anoint, besmear;" Latin limus "slime, mud, mire," linere "to daub, besmear, rub out, erase"). As an insult to a person from mid-15c. Slime-mold is from 1880.

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"to cover with slime," 1620s, from slime (n.). Related: Slimed; sliming.

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Online Etymology Dictionary, © 2010 Douglas Harper

slimeball in Science


  1. A slippery or sticky mucous substance secreted by certain animals, such as slugs or snails.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.