\ ˈslīm \

Definition of slime 

(Entry 1 of 2)

1 : soft moist earth or clay especially : viscous mud

2 : a viscous, glutinous, or gelatinous substance: such as

a : a mucous or mucoid secretion of various animals (such as slugs and catfishes)

b : a product of wet crushing consisting of ore ground so fine as to pass a 200-mesh screen

3 US, informal : a morally repulsive or odious person


slimed; sliming

Definition of slime (Entry 2 of 2)

transitive verb

1 : to smear or cover with slime

2 : to remove slime from (something, such as fish for canning)

intransitive verb

: to become slimy

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Synonyms for slime

Synonyms: Noun

guck (or gook), mire, muck, mud, ooze, slop, sludge, slush

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Examples of slime in a Sentence


Green slime covers the surface of the pond. She thinks men are slime.

Recent Examples on the Web: Noun

The investigators found that hungry caterpillars, which usually gorge on tomato leaves, had no appetite for them after the plants were exposed to snail slime and activated their chemical resistance. Erica Tennenhouse, Scientific American, "Plants “Eavesdrop” on Slimy Snails," 13 Apr. 2018 The 90-minute lessons at La Cañada Elementary School kicked off Monday, June 25, as teens introduced campers to Non-Newtonian fluids in a slime-making project. Sara Cardine,, "Kids slime, splash and cook their way through scientific principles in camp led by LCHS students," 3 July 2018 Slime suckers, $2.95 Slime is back, and little plastic slime suckers hold and dispense the goo. Amy Schwabe, Milwaukee Journal Sentinel, "50 top holiday gifts for kids (and adults), recommended by local, independent toy stores," 7 Dec. 2017 Rinse fur thoroughly with fresh water to remove salt, sand and slime from his coat. Kim Campbell Thornton, sacbee, "Hiking or camping with your dogs? How to keep them safe," 11 July 2018 Residents and business owners fear the thick, toxic slime could strand their boats in marinas during peak tourism months. Jennifer Kay,, "Blue-green algae, red tide soil beaches, threaten Florida tourism," 10 July 2018 The effect is a slippery, slimy algae-esque experience of gross textures, with unsettlingly soft chunks of slime floating around. Rachel Nussbaum, Glamour, "I Polluted My Bathtub for the Sea Turtles With the Help of Lush's Bath Bomb," 30 June 2018 In response, the Outline has probed whether harvesting the slime is ethical. Aubrey Nagle,, "Guilty plea in grisly Bucks murders, botched repairs endanger Philly schools | Morning Newsletter," 17 May 2018 Come for the music, stay for the slime — of which there will be plenty, according to the release. Adam Lukach, RedEye Chicago, "Nickelodeon SlimeFest coming to Northerly Island this summer with Zedd, Liam Payne and Flo Rida," 9 Mar. 2018

Recent Examples on the Web: Verb

All over Africa, anyone is free to slime the opposition. The Economist, "How African governments try to control what is said online," 19 Apr. 2018 The media has been in training—and often paid—to slime me and to slander me for years. Belinda Luscombe, Time, "Rose McGowan on Her 'Brave' New Book and Surviving the 'Cult of Hollywood'," 1 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'slime.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of slime


before the 12th century, in the meaning defined at sense 1


1628, in the meaning defined at transitive sense 1

History and Etymology for slime


Middle English, from Old English slīm; akin to Middle High German slīm slime, Latin limus mud — more at lime

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Statistics for slime

Last Updated

11 Sep 2018

Look-up Popularity

Time Traveler for slime

The first known use of slime was before the 12th century

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More Definitions for slime



English Language Learners Definition of slime

: a thick, slippery liquid

: a very bad, unpleasant, or dishonest person


\ ˈslīm \

Kids Definition of slime

1 : soft slippery mud

2 : a soft slippery material (as on the skin of a slug or catfish)

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Comments on slime

What made you want to look up slime? Please tell us where you read or heard it (including the quote, if possible).


a magnificent or impressive array

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