as in lightweight
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Recent Examples of ultralight
Despite their winter-ready build, these booties are surprisingly lightweight, thanks to the ultralight medium-density midsole that reduces stress on your feet while still slipping seamlessly into your suitcase without sacrificing suitcase space.
—
Julia Morlino, Travel + Leisure, 9 Feb. 2026
In Santa Cruz, researchers and conservationists also deployed ultralight radio tags to better understand how butterflies move between overwintering groves, information that could help improve how overwintering habitat is managed.
—Meg Tanaka, Los Angeles Times, 30 Jan. 2026
The sneaker has an additional 3mm heel-to-toe drop, and provides ultralight cushioning.
—Stephanie Osmanski, Better Homes & Gardens, 14 Jan. 2026
In the new study, scientists converted chitin into an ultralight aerogel and then carbonized it to form a porous carbon framework.
—Neetika Walter, Interesting Engineering, 31 Dec. 2025
See All Example Sentences for ultralight
Julia Morlino, Travel + Leisure, 9 Feb. 2026
In Santa Cruz, researchers and conservationists also deployed ultralight radio tags to better understand how butterflies move between overwintering groves, information that could help improve how overwintering habitat is managed.
—Meg Tanaka, Los Angeles Times, 30 Jan. 2026
The sneaker has an additional 3mm heel-to-toe drop, and provides ultralight cushioning.
—Stephanie Osmanski, Better Homes & Gardens, 14 Jan. 2026
In the new study, scientists converted chitin into an ultralight aerogel and then carbonized it to form a porous carbon framework.
—Neetika Walter, Interesting Engineering, 31 Dec. 2025
See All Example Sentences for ultralight
Recent Examples of Synonyms for ultralight
Adjective
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The lightweight, barely-there formula dries pretty quickly, and there’s absolutely no sticky finish.—
Sarah Han,
Allure,
19 Mar. 2026
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Founded by Julissa Prado, this line—which caters to curly hair—is packed with products that really deliver, including this beloved lightweight mousse which is proven to enhance definition and deeply hydrate.—
Dominic Cadogan,
Glamour,
19 Mar. 2026
Adjective
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This is one of the reasons the EQXX can get away with ultralightweight aluminum brake rotors, rather than conventional cast-iron or even carbon-ceramic discs.—
Mike Sutton,
Car and Driver,
24 July 2022
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A couple weeks prior to meeting Glen, my college buddy Dan Buettner invited me to join a group of his friends on an ultralightweight hike through Utah’s Buckskin Gulch—led by, according to Dan, a mythical legend named Glen Van Peski.—
Ali Selim,
Outside Online,
14 July 2021
Cite this Entry
“Ultralight.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultralight. Accessed 20 Mar. 2026.
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