sleek
1 Americanadjective
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smooth or glossy, as hair, an animal, etc.
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well-fed or well-groomed.
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trim and graceful; finely contoured; streamlined.
a sleek sports car.
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smooth in manners, speech, etc.; suave.
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cleverly or deceitfully skillful; slick.
a sleek confidence man.
verb (used with object)
adjective
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smooth and shiny; polished
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polished in speech or behaviour; unctuous
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(of an animal or bird) having a shiny healthy coat or feathers
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(of a person) having a prosperous appearance
verb
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to make smooth and glossy, as by grooming, etc
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(usually foll by over) to cover (up), as by making more agreeable; gloss (over)
Other Word Forms
Derived Forms
Inflected Forms
Adjectives
Participles
Conjugated Forms
Present
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sleeksimple
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sleekssimple
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have sleekedperfect
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has sleekedperfect
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am sleekingprogressive
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are sleekingprogressive
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is sleekingprogressive
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have been sleekingperfect progressive
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has been sleekingperfect progressive
Past
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sleekedsimple
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had sleekedperfect
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was sleekingprogressive
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were sleekingprogressive
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had been sleekingperfect progressive
Future
Etymology
Origin of sleek1
First recorded in 1580–90; variant of slick
Origin of sleek2
First recorded in 1400–50; late Middle English sleken, variant of slick
Explanation
If your hair is sleek, it is smooth and glossy. If your car is sleek, it's shiny and looks like it goes fast. Sleek always means smooth, glossy, and streamlined. Sleek is a variant of the word, slick. When you slick back your hair with grease, it becomes sleek. Cats are often called sleek with their silky coats and lithe movements. A dress could be described as sleek, if it fits tightly to your body and makes you look polished and perfectly fit. When something is sleek, it's aerodynamic.
Vocabulary lists containing sleek
Mr. Popper’s Penguins
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"The Tragedy of Macbeth," Vocabulary from Act 3
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Rebound
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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.
As in so many family dwellings, Hilton says the kitchen is the heart of the home, with its premium appliances, sleek custom cabinetry and a massive dining and prep island.
From MarketWatch • Jun. 30, 2026
Construction on the Samuel Oschin Air and Space Center, a sleek, 20-story building designed by ZGF Architects, finished in April.
From Los Angeles Times • Jun. 24, 2026
The Starfire Kylie Edition Meta Glasses are a more sleek design than the rest of the line, and start at $399.
From Barron's • Jun. 23, 2026
He drives the sleek black car around Kinshasa, sometimes stopping at malls and markets to greet cheering fans.
From The Wall Street Journal • Jun. 15, 2026
A sleek purple cat leaped out of her arms and away into the darkness.
From "Aru Shah and the End of Time" by Roshani Chokshi
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
