ul·​tra·​light | \ ˈəl-trə-ˌlīt How to pronounce ultralight (audio) \

Definition of ultralight

 (Entry 1 of 2)

: extremely light in mass or weight an ultralight alloy an ultralight pullover



Definition of ultralight (Entry 2 of 2)

: a very light recreational aircraft typically for one person that is powered by a small gasoline engine

Examples of ultralight in a Sentence

Recent Examples on the Web: Adjective

Timothy Froebe’s ultralight aircraft crashed in Benson, Ariz., about 50 miles southeast of Tucson just before 8 a.m., KOLD News 13 reported. Fox News, "Off-duty Arizona police officer dies piloting small plane," 5 Sep. 2019 First introduced in 2015, the MacBook was ultralight, had a single USB-C port, and came in a flashy rose gold colorway. Brian Barrett, WIRED, "Apple's New MacBook Pro Goes All In on the Touch Bar," 9 July 2019 All in all, a far cry from the ultralight technical packs, tents, and shells that made GoLite such fan favorite with core long-distance hikers. Ariella Gintzler, Outside Online, "GoLite, Thru-Hikers' Favorite Brand, Is Back. Sorta.," 10 May 2018 The tent also uses a fabric that is more durable and waterproof than on many ultralight backpacking tents. James Lynch, Popular Mechanics, "This Spring’s 11 Best Camping Tents," 1 May 2019 Well, there’s news from the ultralight market as well. Wes Siler, Outside Online, "Couples Camping Gear Just Got Even Better," 20 June 2019 Turn a Beer Can into a Stove Alcohol stoves have long been a favorite of ultralight backpackers. Outside Online, "5 Ways to Impress Your Friends at the Campsite," 25 July 2019 The team even sources ultralight motors called linear actuators capable of generating enough force to lift more than a pound while weighing only about as much as a ballpoint pen. San Diego Union-Tribune, "UCSD students restore motion to five-year-old boy’s arms," 15 June 2019 Cuberg sees the ultralight weight batteries as an essential ingredient for cutting-edge aerospace programs, including electric aircraft, flying taxis, and large military cargo drones. Joe Pappalardo, Popular Mechanics, "New Lithium Metal Batteries Can Power Drones for Longer (and It Could Change Everything)," 16 Apr. 2019

Recent Examples on the Web: Noun

Gary Maynard explained the types are known as an ultralight and stacked kite. Micah Walker, Detroit Free Press, "Hundreds of metro Detroiters answer the call: Go fly a kite," 15 July 2019 Some had been customers of the former GoLite in its heyday of ultralight hiking and backpacking gear. Ariella Gintzler, Outside Online, "GoLite, Thru-Hikers' Favorite Brand, Is Back. Sorta.," 10 May 2018 When the engine on my ultralight cut out, I was supposed to be ready. Caroline Paul, Outside Online, "Caroline Paul on Her First Emergency Landing," 11 July 2018 There are, of course, fancy featherweight pre-preg sil-nylon tarps, which are amazing for making an ultralight shelter while on climbing routes, but for most uses, a cheap tarp is best. Joe Jackson, Outside Online, "Don't Underestimate the Humble $12 Tarp," 2 May 2018 Big Agnes Copper Spur 2 Tent ($450; 25 percent off) Watch this video to learn why the Copper Spur is one of our favorite ultralight tents. The Editors, Outside Online, "The Best Gear We've Reviewed, Now On Sale," 18 May 2018 Hygiene Keep it simple with Dr. Bronner’s Organic Hand Sanitizer ($5), The Honest Co.’s Travel Baby Wipes ($4), Coghlan’s Toilet Tissue ($2.50), and an ultralight PackTowl Nano ($10). Nick Davidson, Outside Online, "The Ultimate DIY Bug-Out Bag," 27 June 2018 Three years after ultralight backpacking gear company GoLite filed for bankruptcy and liquidated its assets, the brand is back—at least in name. Ariella Gintzler, Outside Online, "GoLite, Thru-Hikers' Favorite Brand, Is Back. Sorta.," 10 May 2018 Ultralight packs, which weigh around two pounds for 45- to 55-liter models, are best suited for backpackers who log long-mileage days and can fill that pack with ultralight sleeping and cooking systems. Kelly Bastone, Outside Online, "The Best Women’s Backpacking Packs," 13 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ultralight.' 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 ultralight


1974, in the meaning defined above


1974, in the meaning defined above

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Last Updated

22 Sep 2019

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Time Traveler for ultralight

The first known use of ultralight was in 1974

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miscellaneous remnants or debris

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