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Synonyms

slippery

American  
[slip-uh-ree, slip-ree] / ˈslɪp ə ri, ˈslɪp ri /

adjective

slipperier, slipperiest
  1. tending or liable to cause slipping or sliding, as ice, oil, a wet surface, etc..

    a slippery road.

  2. tending to slip from the hold or grasp or from position.

    a slippery rope.

  3. likely to slip away or escape.

    slippery prospects.

  4. not to be depended on; fickle; shifty, tricky, or deceitful.

  5. unstable or insecure, as conditions.

    a slippery situation.


slippery British  
/ -prɪ, ˈslɪpərɪ /

adjective

  1. causing or tending to cause objects to slip

    a slippery road

  2. liable to slip from the grasp, a position, etc

  3. not to be relied upon; cunning and untrustworthy

    a slippery character

  4. (esp of a situation) liable to change; unstable

  5. a course of action that will lead to disaster or failure

"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

Other Word Forms

Derived Forms

Etymology

Origin of slippery

1525–35; alteration of slipper 2; compare Low German slipperig; see -y 1

Explanation

Slippery things are slimy or wet, or for some other reason cause you to slide on them. A slippery fish is hard to hold in your hand, and a slippery path is easy to slip on. You should drive slowly and cautiously when the road is slippery after it starts to sleet. And your hands may get slippery with sweat when you're nervous about a job interview. You can also use this adjective in a figurative way, to mean "tricky" or "unreliable," so you might complain about your slippery brother, who always manages to disappear right before it's time to take the trash out or load the dishwasher.

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Vocabulary lists containing slippery

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.

Hyaline cartilage is smooth and slippery, allowing joints such as the knees, hips, shoulders, and ankles to move freely.

From Science Daily • Jun. 12, 2026

But the English group’s slippery music resists stylistic classification.

From The Wall Street Journal • Jun. 9, 2026

Fix the Fells' partnership manager Isabel Berry said the route's "sloping, slippery surface is currently difficult to walk on" leading people to use the areas at either side.

From BBC • Jun. 6, 2026

It’s also a slippery slope: once you get used to having a little more cash in your bank account, it can be tempting to lower the percentage even further.

From MarketWatch • May 30, 2026

The creature writhed in protest, slippery as an otter, but did not bite.

From "Impossible Creatures" by Katherine Rundell

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