as in lightness
the state or quality of having little weight
the relative weightlessness of the suitcase surprised me
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Recent Examples of weightlessness
In future missions, such plasma will help SpaceForge forge super efficient, out-of-this-world materials in weightlessness.
—
Tereza Pultarova, Space.com, 11 Jan. 2026
This marks a major shift from space exploration to space manufacturing, leveraging weightlessness to create high-tech materials far superior to those made on Earth.
—Mrigakshi Dixit, Interesting Engineering, 31 Dec. 2025
When Koenigsmann approached her last year about the possibility of flying on Blue Origin and experiencing more than three minutes of weightlessness on a space hop, Benthaus thought there might be a misunderstanding.
—Marcia Dunn, Fortune, 21 Dec. 2025
Apart from offering a few minutes of weightlessness, New Shepard can also subject passengers to intense G forces — including up to 5Gs during the capsule’s descent.
—Jackie Wattles, CNN Money, 20 Dec. 2025
Four drifting expeditions into elegant quietude find the half dozen players gravitating to an alluring tenderness and weightlessness.
—Craig Jenkins, Vulture, 2 Dec. 2025
There are even pens that can work in the weightlessness of space.
—New Atlas, 29 Oct. 2025
The Beautyrest adjustable bed has pre-empted your modification needs in many ways, from head-and foot-rest incline options to a zero-gravity preset that provides a feeling of weightlessness.
—Nashia Baker, Architectural Digest, 10 Oct. 2025
Recent Examples of Synonyms for weightlessness
lightness
Noun
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To assess the roots, carefully remove the plant from its pot and examine them for firmness, lightness, and suppleness.—
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But with Rawayana, depth is always masked by lightness.—
Cite this Entry
“Weightlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weightlessness. Accessed 20 Jan. 2026.
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