1
as in staleness
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2
as in dullness
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Recent Examples of flatness
Both determine all observable predictions and are necessary to solve the cosmological horizon and flatness problems.
—
Robert Lea, Space.com, 3 Sep. 2025
Yet the general flatness was an extension of Villa’s summer.
—Jacob Tanswell, New York Times, 18 Aug. 2025
Robert Lea, Space.com, 3 Sep. 2025
Yet the general flatness was an extension of Villa’s summer.
—Jacob Tanswell, New York Times, 18 Aug. 2025
Recent Examples of Synonyms for flatness
Noun
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Coach Billy Napier’s team blended play-calling staleness, horrendous clock management, defensive containment issues and overall immaturity.—
Noah White,
Miami Herald,
7 Sep. 2025
Noun
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The formula pairs pure retinol with hyaluronic acid and glycerin to keep skin hydrated, soft, and comfortable while targeting fine lines, uneven texture, and dullness.—
Christa Joanna Lee,
Allure,
1 Oct. 2025
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These oil-serum hybrids are designed to target visible signs of aging, such as dullness, fine lines and fatigue, while establishing a holistic cycle of external protection and internal regulation.—
Footwear News,
Footwear News,
29 Sep. 2025
Cite this Entry
“Flatness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flatness. Accessed 19 Oct. 2025.
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