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slime

American  
[slahym] / slaɪm /

noun

  • slimes
    plural
  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 slimeballSlang. a repulsive or despicable person.


verb (used with object)

  • slimes,
    present (3rd person singular)
  • slimed,
    past participle,  past
  • sliming
    present participle
  1. to cover or smear with or as if with slime.

  2. to remove slime from, as fish for canning.

slime British  
/ slaɪm /

noun

  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

"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

verb

  1. to cover with slime

  2. to remove slime from (fish) before canning

"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
slime Scientific  
/ slīm /
  1. A slippery or sticky mucous substance secreted by certain animals, such as slugs or snails.


Usage

What else does slime mean? What’s up, slime? Slime is slang for a (usually male) "friend," often used as a term of address, like dude or bro.

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Conjugated Forms

Present

Past

Future

Etymology

Origin of slime

before 1000; Middle English slyme, Old English slīm; cognate with Dutch slijm, German Schleim, Old Norse slīm

Explanation

Slime is a substance that's slippery, damp, and gooey, like the slime that grows on the bottom on a swimming pool if it's not cleaned often enough. People are generally disgusted by slime, so if your dinner guest comments that your famous spinach soufflé looks like slime, you'll probably feel insulted. Like your spinach soufflé, slime is usually greenish in color, though the clear stuff a snail leaves behind is slime too. If you slime something, you cover it in a slimy substance. Experts believe that slime comes from the Old English lim, "sticky substance," which shares a root with the Russian slimak, or "snail."

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Only a few days after the pool was refilled, though, it reverted what it always is: a filthy slime pit that nevertheless does an adequate job of its primary objective: reflecting.

From Slate Jun. 19, 2026

Within days of the pool’s reopening, algae blooms coated the floor with a thick residue reminiscent of the neon green slime left behind by the Ghostbusters.

From The Wall Street Journal Jun. 18, 2026

Glow worms, slime moulds and rare lichens are among 1,109 species discovered in just one corner of Scotland's rainforest.

From BBC May 21, 2026

Others are much larger and multicellular, such as kelp, slime molds, and red algae.

From Science Daily May 7, 2026

I come back from my run and shower a second time, but my misery is still stickier than fish slime.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

To this day, many biological slimes haven’t been researched enough to know the details of their structure and behavior.

From Scientific American Jan. 28, 2023

Familiar monsters, from slimes to sabercats, abound, but now the kids can recruit the beasts to help them hunt for loot.

From Seattle Times Dec. 5, 2022

The company sells slime kits and premade slime, clear glue and “cosmic shimmer” glue designed for use in homemade slimes.

From Washington Post Jun. 30, 2022

It's a pure troll, meant to be so beyond the pale that even responding to it slimes the person falsely accused.

From Salon Apr. 20, 2022

It seems that one of Ebola’s paths goes from the dead to the living, winding in trickles of uncoagulated blood and slimes that come out of the dead body.

From "The Hot Zone" by Richard Preston

In his lead single for the album, the musician used a photo of Halle Berry being slimed at the Kids Choice Awards without her consent.

From Salon Oct. 11, 2023

“He slimed the driver’s seat of my car,” she says.

From The Verge May 28, 2022

Besides the virtual slime cannons in the end zones, there will be a slime booth at AT&T Stadium on Sunday where Prescott or Garoppolo can get slimed if they are so inclined.

From Seattle Times Jan. 14, 2022

Some critics who caught the movie, which turned up at New York Comic Con in October, reacted as if they’d been slimed.

From New York Times Nov. 4, 2021

He was a stunted little man with knobby knees and a balding head and a nose like a used pencil eraser, and he was stark naked and slimed head to toe with sticky, translucent gel.

From "Hollow City" by Ransom Riggs

There are close-ups of hands kneading dough, a snail sliming its way up a window and Cathy prodding a jellied fish with her finger.

From Los Angeles Times Feb. 11, 2026

But an end to the lurid, sliming, morale-breaking, goodwill-sapping 24 years of Snyder’s ownership is surely worth a parade.

From Washington Post Apr. 14, 2023

Mr. Parnell, a decorated Army veteran of the war in Afghanistan, has denied wrongdoing and called on his rival to quit the GOP primary race for sliming his family.

From Washington Times Sep. 9, 2021

But basic cable package viewers at home were immune to the smell, and the response from people who saw the sliming was overwhelmingly positive.

From The Verge Aug. 23, 2017

The beast’s green tongue rasped across her visor, sliming the lower section.

From "Artemis Fowl" by Eoin Colfer

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