knee buckle
Americannoun
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an instance of knee buckling.
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a buckle securing the bottom of a pant leg that ends just below the knee.
Other Word Forms
Noun Inflected Forms
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.
Johnson, like many, gasped when she saw Vonn’s knee buckle slightly on a jump during training Saturday.
From Los Angeles Times ● Feb. 7, 2026
The slender guard, who has shown positive flashes for the rebuilding Cavs, had his knee buckle awkwardly when he tried to change directions.
From Seattle Times ● Jan. 5, 2020
Allen launched himself high at Louis and you could see the left knee buckle as Louis went down.
From Chicago Tribune ● Nov. 26, 2012
New York Jets fans who saw Darrelle Revis’s left knee buckle under him that day may have pled with their televisions: not the ACL.
From Scientific American ● Oct. 16, 2012
Then she threw her shoulder against him and hooked her right leg around his, applying force, but not enough to make his knee buckle.
From "Scythe" by Neal Shusterman
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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.