ul·tra·light
ˈəl-trə-ˌlīt 
: extremely light in mass or weight
an ultralight alloy
an ultralight pullover
: 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
Longji Cui, The Conversation, 26 Dec. 2025
The quilted polyester is ultralight and practically indestructible.
—Olivia Young, Travel + Leisure, 25 Dec. 2025
New Atlas, 15 Dec. 2025
What’s an ultralight — and what happened?
—Jake Goodrick, Sacbee.com, 14 Dec. 2025
See All Example Sentences for ultralight
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Adjective
New types of fabrics infused with highly porous, ultralight materials called aerogels pack even more insulation into surprisingly slim layers.
—Longji Cui, The Conversation, 26 Dec. 2025
The quilted polyester is ultralight and practically indestructible.
—Olivia Young, Travel + Leisure, 25 Dec. 2025
Noun
Its new Duplex Pro combines that same ultralight construction with a comfortable build that adapts to each backcountry explorer to offer more personalized performance per pound.
—New Atlas, 15 Dec. 2025
What’s an ultralight — and what happened?
—Jake Goodrick, Sacbee.com, 14 Dec. 2025
See All Example Sentences for ultralight
Cite this Entry
“Ultralight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultralight. Accessed 29 Dec. 2025.
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