buckle
Americannoun
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buckles
plural
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a clasp consisting of a rectangular or curved rim with one or more movable tongues, fixed to one end of a belt or strap, used for fastening to the other end of the same strap or to another strap.
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any similar contrivance used for such purposes.
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an ornament of metal, beads, etc., of similar appearance.
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a bend, bulge, or kink, as in a board or saw blade.
verb (used with object)
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buckles,
present (3rd person singular)
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buckled,
past participle, past
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buckling
present participle
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to fasten with a buckle or buckles.
Buckle your seat belt.
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to shrivel, by applying heat or pressure; bend; curl.
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to prepare (oneself ) for action; apply (oneself ) vigorously to something.
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to bend, warp, or cause to give way suddenly, as with heat or pressure.
verb (used without object)
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buckles,
present (3rd person singular)
-
buckled,
past participle, past
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buckling
present participle
-
to close or fasten with a buckle.
Grandmother always wore shoes that buckled.
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to prepare oneself or apply oneself.
The student buckled to the lesson.
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to bend, warp, bulge, or collapse.
The bridge buckled in the storm.
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to yield, surrender, or give way to another (often followed byunder ).
She refused to take the medicine, but buckled under when the doctor told her to.
verb phrase
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buckle up to fasten one's belt, seat belt, or buckles.
She won't start the car until we've all buckled up.
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buckle down to set to work with vigor; concentrate on one's work.
He was by nature a daydreamer and found it hard to buckle down.
noun
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a clasp for fastening together two loose ends, esp of a belt or strap, usually consisting of a frame with an attached movable prong
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an ornamental representation of a buckle, as on a shoe
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a kink, bulge, or other distortion
a buckle in a railway track
verb
-
to fasten or be fastened with a buckle
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to bend or cause to bend out of shape, esp as a result of pressure or heat
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Participles
Conjugated Forms
Present
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bucklesimple
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bucklessimple
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have buckledperfect
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has buckledperfect
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am bucklingprogressive
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are bucklingprogressive
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is bucklingprogressive
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have been bucklingperfect progressive
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has been bucklingperfect progressive
Past
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buckledsimple
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had buckledperfect
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was bucklingprogressive
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were bucklingprogressive
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had been bucklingperfect progressive
Future
Etymology
Origin of buckle
1300–50; Middle English bocle < Anglo-French bo ( u ) cle, bucle < Latin buc ( c ) ula cheekpiece (of a helmet), strip of wood, etc., resembling a cheekpiece, equivalent to bucc ( a ) cheek + -ula -ule
Explanation
A buckle is a clasp or fastener, such as the one on the end of a belt. In the old days, not only belts but also shoes had buckles. When you fasten your belt buckle, you can say you buckle it — you also buckle your seat belt and buckle a kid's bike helmet under his chin. When the ground buckles during an earthquake, it folds or bends out of shape, and when your knees buckle, you could fall. You might also buckle under pressure or stress. The Latin root word is buccula, "cheek strap of a helmet."
Vocabulary lists containing buckle
The SAT: Multiple-Meaning Words, List 6
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
The New SAT: Multiple-Meaning Words
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
The ACT Reading Test: Multiple-Meaning Words, List 6
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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:
While some enjoyed the sunshine, the heat caused trains, schools and emergency services to buckle.
From BBC ● Jul. 22, 2026
He managed to survive in the shielded void, a life-saving scenario that occasionally unfolds as multistory structures tumble pancake-style, support beams buckle and slabs of concrete crash down.
From Los Angeles Times ● Jul. 5, 2026
Everything from seat-belt buckle mechanisms to door latches could change how passengers might evacuate in an emergency, or how they are protected in a crash, Federal Aviation Administration chief Bryan Bedford told reporters last month.
From The Wall Street Journal ● Jun. 28, 2026
The temperature of steel railway lines can rise to up to 20C above air temperatures in direct sunlight, causing them to expand and buckle.
From BBC ● Jun. 23, 2026
Her heels hung off the back of her mother’s shoes; she could not even buckle the straps.
From "Out of Darkness" by Ashley Hope Pérez
“We need more cowboy hats and belt buckles in Washington,” he wrote in a campaign post on July 15.
From Slate ● Jul. 23, 2026
“Just every department: boots, hats, belt, buckles, T-shirts, Western shirts,” store co-owner Julie Newport told The Times of Haaland’s purchases.
From Los Angeles Times ● Jul. 14, 2026
Two buckles were recovered, one dating to the late Roman period and one dating to the post-medieval period.
From BBC ● Dec. 21, 2025
As much of Europe buckles under the weight of mass tourism, Georgia is only now getting in on the action in earnest.
From The Wall Street Journal ● Oct. 30, 2025
Little metal was used in our straps and fittings, but the harnesses had buckles of aluminum alloy, too fine to fasten with mittens on, which burned in that cold exactly as if they were red-hot.
From "The Left Hand of Darkness" by Ursula K. Le Guin
I had only ever seen him on Zoom, and although he was tall, which was nice, I tried not to judge his brown cracked-leather buckled pilgrim shoes paired with high-waist Wrangler jeans.
From Los Angeles Times ● Aug. 7, 2026
Elsewhere, vehicles on a two-lane road were seen carefully navigating sections of buckled pavement.
From Barron's ● Jul. 29, 2026
After Wales' scrum buckled early on, an ineffective attacking play involving Thomas resulted in Springboks hooker Malcolm Marx achieving a turnover penalty with rampaging lock Cobus Wiese almost crossing the Welsh line before knocking on.
From BBC ● Jul. 18, 2026
The sky was the limit for turning offices into apartments – until some columns buckled.
From MarketWatch ● Jul. 17, 2026
Dad settled into the driver’s seat of the Smokemobile—the most un-Audi car imaginable—and buckled himself in.
From "Darius the Great Is Not Okay" by Adib Khorram
The leak wasn’t visible to the eye: They realized there was a problem when the floors started buckling.
From MarketWatch ● Aug. 1, 2026
Video from inside the building shows the buckling beam.
From BBC ● Jul. 8, 2026
Ukraine's energy network, already pummelled by Russian attacks over more than four years of war, was buckling under the high temperatures on Monday.
From Barron's ● Jun. 29, 2026
Forcing it to blink is not a costless enterprise, but buckling is not costless either.
From Slate ● May 18, 2026
“Dude!” the centaur groaned, almost buckling under Tysons weight.
From "The Sea of Monsters" by Rick Riordan
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.
