ultralight

1 of 2

adjective

ul·​tra·​light ˈəl-trə-ˌlīt How to pronounce ultralight (audio)
: extremely light in mass or weight
an ultralight alloy
an ultralight pullover

ultralight

2 of 2

noun

: 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
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Adjective
Travelpro Maxlite 5 Softside Underseat Carry-on This little rollaboard hails from the best-selling Travelpro Maxlite collection, known and named for its bags’ ultralight construction. Olivia Young, Travel + Leisure, 7 Oct. 2025 Not bad at all, but we'd be inclined to stick with something even smaller and lighter, like a ferro rod, for ultralight backcountry trips. New Atlas, 6 Oct. 2025
Noun
Designed for protection and survivability Anduril said EagleEye provides enhanced survivability through ballistic and blast protection built into an ultralight shell that can be worn comfortably for extended periods. Kapil Kajal, Interesting Engineering, 14 Oct. 2025 An aviation influencer died during his own livestream when his ultralight aircraft crashed on Saturday. Marni Rose McFall, MSNBC Newsweek, 30 Sep. 2025 See All Example Sentences for ultralight

Word History

First Known Use

Adjective

1974, in the meaning defined above

Noun

1974, in the meaning defined above

Time Traveler
The first known use of ultralight was in 1974

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Cite this Entry

“Ultralight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultralight. Accessed 22 Oct. 2025.

Kids Definition

ultralight

adjective
ul·​tra·​light
ˈəl-trə-ˌlīt
: very light in mass or weight
an ultralight alloy
an ultralight sweater

More from Merriam-Webster on ultralight

Last Updated: - Updated example sentences
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