as in brightness
the quality or state of having or giving off light
there's a special luminousness to the air over the island that painters and photographers have long sought to capture
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for luminousness
Noun
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To put its change in brightness into perspective, the brightest observed x-ray flare from Sagittarius A* happened in 2013, but that event had only 1 percent of the brightness of what the black hole may have emitted perhaps as recently as a few hundred years ago, Michail says.—
Jackie Flynn Mogensen,
Scientific American,
13 Jan. 2026 -
This summer, the Lab was chock full of gear, with clever, innovative tests for everything from backpack comfort to headlamp brightness.—
Adam Trenkamp,
Outside,
11 Jan. 2026
Noun
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So, astronomers have come up with a compromise regarding the geometry of the sun's illumination angle on Venus' disk versus its distance from Earth to determine the time of Venus' greatest brilliancy.—
Joe Rao,
Space.com,
4 Apr. 2025
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Family circles will have wrapped themselves in the holy pleasures of the great occasion, and everywhere the grand old holiday will have been introduced with all the majesty and brilliancy which clings around the hallowed name of Christmas.—
Michael Barnes,
Austin American-Statesman,
23 Dec. 2024
Noun
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His was an innings of belligerent brilliance.—
Tim Spiers,
New York Times,
6 Jan. 2026
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Of course, the Longhorns derived some of their success from Manning’s individual brilliance.—
David Eckert,
Austin American Statesman,
2 Jan. 2026
Noun
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To assess the roots, carefully remove the plant from its pot and examine them for firmness, lightness, and suppleness.—
SJ McShane,
Martha Stewart,
8 Jan. 2026
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But with Rawayana, depth is always masked by lightness.—
Leonor C. Suárez,
Rolling Stone,
8 Jan. 2026
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“Luminousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminousness. Accessed 16 Jan. 2026.
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