un·​sprung | \ ˌən-ˈsprəŋ How to pronounce unsprung (audio) \

Definition of unsprung

: not sprung especially : not equipped with springs

Examples of unsprung in a Sentence

Recent Examples on the Web

Designers of electric sports cars, in particular, want motors to be smaller and lighter in order to reduce unsprung wheel weight that bogs down handling and agility. Matthew Jancer, Popular Mechanics, "Speaking of Spokes: The Design That Could Change How Electric Car Motors Are Made," 20 Nov. 2018 Weight has been taken out of the suspension with the use of aluminum, particularly in unsprung components. Jonathan M. Gitlin, Ars Technica, "BMW’s all-new 3 Series goes on sale 2019, starting at $40,200," 2 Oct. 2018 Each wheel and tire still weighed 125 pounds, though, giving us well in excess of a quarter-ton of unsprung weight. Car and Driver, "The Battle of the Off-Road Beaters: Ford F-150 Custom vs. Geo Tracker, Jeep Cherokee, Land Rover Discovery," 30 Nov. 2016 Available separately for $13,000 are ultra-light magnesium wheels to minimize unsprung mass in this track specialist. David Beard, Car and Driver, "2019 Porsche 911 GT3 RS: It Looks Bad-Ass Because It Is," 21 Feb. 2018 Aluminum alloys have replaced steel as the material of choice, making wheels lighter and reducing a vehicle’s unsprung weight — the mass of its suspension components. Stephen Williams, New York Times, "Wheels Drive Auto Industry Forward, in Showrooms and Aftermarket Shops," 2 Nov. 2017 The carbon-ceramic brakes also are mounted inboard to reduce unsprung weight. Clifford Atiyeh, Car and Driver, "McLaren Vision Gran Turismo Concept Car Uses Central Seating Position—with a Twist," 20 Sep. 2017 Gold-colored brake calipers are a status symbol among BMW drivers, since these indicate the presence of the optional carbon-ceramic rotors (0.2 inch larger in diameter up front), which drop 51 pounds of unsprung mass. Clifford Atiyeh, Car and Driver, "2018 BMW M5: 600 Horsepower, All-Wheel Drive, and 189 MPH!," 21 Aug. 2017 For example, the new standard 9.5-by-20-inch forged wheels in low-gloss black, designated Lightweight 5Deep Aluminum, pare 16 pounds from the Charger’s substantial mass, reducing unsprung weight. Tony Swan, Car and Driver, "2017 Dodge Charger SRT Hellcat," 12 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unsprung.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unsprung

1600, in the meaning defined above

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Time Traveler for unsprung

The first known use of unsprung was in 1600

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