\ ˈslīm How to pronounce slime (audio) \

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

Aquaplancton has been clearing ponds of all types of algae, green water, string algae, sludge, slime, odor, and clogged filter for over 20 years. Country Living, "No More Pond Algae—Naturally Voted Home And Garden “Product Of The Year”," 3 Sep. 2019 Harmful algal blooms are rare in Cleveland, though the green slime shows up each summer in the western basin of Lake Erie, ravaging the tourism industry. Laura Johnston,, "How to check water quality at Cleveland beaches," 18 July 2019 Between slime-green liner on the likes of Kendall Jenner to lime-green nails on superstars like Rihanna and Cardi B, neon green has been having quite the moment in the beauty space. Rachel Lubitz,, "Billie Eilish Just Dyed Her Hair A Wild New Colour — & Fans Love It," 4 July 2019 Last year, the company turned 12 million pounds of slime into shoe soles; many other products, from flooring to backpacks, are possible. Ruth Kassinger,, "How slime will save the world," 26 July 2019 The first season’s monster was mostly brought to life by a man in monster suit (with the help of lots of slime, of course!). Carly Mallenbaum, USA TODAY, "'Stranger Things': Lip gloss was secret ingredient to getting Billy to look so sweaty," 6 July 2019 Romine-Mann said police exaggerated the trajectory of the bucket’s slime., "2 Portland protesters who doused cops with buckets of glitter mixed with lubricant get 5 days in jail," 7 June 2019 And Nickelodeon, the children’s television network, is sending its iconic slime to the orbiting lab for a series of educational demonstrations. Robin Goist,, "Goodyear sends tire research to International Space Station," 19 July 2019 But so many unknowns exist about the trek of the protruding slime, including the course the explosive bloom could take once this weekend’s tropical disturbance rolls through the Gulf of Mexico., "‘All bets are off’: Toxic algae bloom shutters Mississippi beaches, causes worry in Alabama," 12 July 2019

Recent Examples on the Web: Verb

Even on its best day, disclosure mostly serves up cheap ammunition for partisans to slime their opponents. Bradley A. Smith, National Review, "Doxxing Trump Donors Is Just the Beginning," 9 Aug. 2019 This time, the mysterious threat appears to be an attack of extraterrestrial cow patties, enormous heaps of foul-smelling gunk that fall out of the sky to slime the characters at random. Justin Chang,, "Mariano Llinás’ ‘La Flor’ is the dazzling, epic centerpiece of Locarno in Los Angeles," 15 June 2018 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 2019

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
US, informal : a very bad, unpleasant, or dishonest person


\ ˈslīm How to pronounce slime (audio) \

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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More from Merriam-Webster on slime

Rhyming Dictionary: Words that rhyme with slime

Thesaurus: All synonyms and antonyms for slime

Spanish Central: Translation of slime

Nglish: Translation of slime for Spanish Speakers

Britannica English: Translation of slime for Arabic Speakers Encyclopedia article about slime

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).


readily or continually undergoing change

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