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 a film that nimbly walks the tightrope between lightheartedness and weightlessness, Jerry and Mabel’s antagonistic relationship ends up proving the unexpected core of the story.
—
Wilson Chapman, IndieWire, 2 Mar. 2026
Their first weekend was spent unpacking and getting used to living in weightlessness, even though Meir and Fedyaev have both been to the ISS once previously.
—Eric Lagatta, USA Today, 24 Feb. 2026
Leanne Fan, 18, a 12th-grader at Westview High School, built a device that uses rotation to simulate microgravity — the near-weightlessness that astronauts experience in space — in order to study how live organisms grow in space.
—Jemma Stephenson, San Diego Union-Tribune, 23 Feb. 2026
Heart muscles atrophy, or weaken from disuse, in adults who spend prolonged times in the weightlessness of space.
—Literary Hub, 20 Feb. 2026
Passengers get to experience a few minutes of weightlessness and see Earth against the blackness of space during New Shepard flights, each of which lasts 10 to 12 minutes.
—Mike Wall, Space.com, 30 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
Wilson Chapman, IndieWire, 2 Mar. 2026
Their first weekend was spent unpacking and getting used to living in weightlessness, even though Meir and Fedyaev have both been to the ISS once previously.
—Eric Lagatta, USA Today, 24 Feb. 2026
Leanne Fan, 18, a 12th-grader at Westview High School, built a device that uses rotation to simulate microgravity — the near-weightlessness that astronauts experience in space — in order to study how live organisms grow in space.
—Jemma Stephenson, San Diego Union-Tribune, 23 Feb. 2026
Heart muscles atrophy, or weaken from disuse, in adults who spend prolonged times in the weightlessness of space.
—Literary Hub, 20 Feb. 2026
Passengers get to experience a few minutes of weightlessness and see Earth against the blackness of space during New Shepard flights, each of which lasts 10 to 12 minutes.
—Mike Wall, Space.com, 30 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
Recent Examples of Synonyms for weightlessness
lightness
Noun
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Recent mill collections have highlighted the diverse aesthetics these fibers can bring to denim—some introduce a subtle texture or lightness, while others enhance the fabric with distinctive tactile effects.—
Angela Velasquez,
Sourcing Journal,
17 Mar. 2026
-
The ankle-revealing design adds lightness to any look, which is ideal for midi-skirts in soft colors, airy materials, pleats, or other delicate details.—
René Chávez Esparza,
Glamour,
14 Mar. 2026
Cite this Entry
“Weightlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/weightlessness. Accessed 18 Mar. 2026.
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