as in archaic
having passed its time of use or usefulness
Noachian farm equipment that probably belongs in a museum somewhere
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Recent Examples of Noachian
The climate of ancient Mars struck a balance that allowed water to exist; in particular, the late Noachian period (about 4.1 billion years to 3.5 billion years ago) is thought to have been a time when Mars was potentially habitable, even having rainfall that caused erosion.
—
Jack Knudson, Discover Magazine, 29 Jan. 2025
Researchers believe that the Jezero Crater housed a lake slightly larger than Lake Tahoe during Mars's Noachian epoch, between 3.8 and 4.6 billion years ago.
—Discover Magazine, 29 June 2010
Jack Knudson, Discover Magazine, 29 Jan. 2025
Researchers believe that the Jezero Crater housed a lake slightly larger than Lake Tahoe during Mars's Noachian epoch, between 3.8 and 4.6 billion years ago.
—Discover Magazine, 29 June 2010
Recent Examples of Synonyms for Noachian
Adjective
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All wore dark formal kimonos and solemnly made the sign of the cross in front of their faces before starting their prayers — a mix of archaic Japanese and Latin.—
Foster Klug,
Los Angeles Times,
4 June 2025
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Of note is the incorporation of vocabulary from Ivan’s archaic Norm language, a special touch that entranced me.—
The Know,
Denver Post,
1 June 2025
Adjective
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Yet there’s growing momentum to release the district — and dozens of others — from decades-old orders that some call obsolete.—
Collin Binkley,
Los Angeles Times,
8 June 2025
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Authorities argued at the time that the systems used by the Spanish forces were obsolete and should be replaced for up-to-date versions like those used by allied armies.—
Brittany Williams,
Arkansas Online,
4 June 2025
Adjective
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Seton Hall Prep: Sweeney’s father had been a professor of medieval English at Seton Hall University.—
Nick Paumgarten,
New Yorker,
2 June 2025
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The new property stands out not only for its elegant interiors, but also for its home in a 12th-century castle with medieval history.—
Opheli Garcia Lawler,
AFAR Media,
29 May 2025
Adjective
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However, the whole idea of learning needs seems antiquated.—
David James,
Forbes.com,
3 June 2025
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The airport, situated outside the city, was antiquated, but their hotel, the Excelsior, was all Art Deco glamour and gleaming chandeliers.—
Laurie Gwen Shapiro,
New Yorker,
2 June 2025
Adjective
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Since gold is nearly indestructible and has been recycled many times, much of the gold used today dates from prehistoric ages.—
David Szondy
June 07,
New Atlas,
7 June 2025
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More fossils will be needed to know if the prehistoric waterwheels grew snap traps to enclose small aquatic invertebrates, like its modern counterparts, but the lineage was already present during a time when the world was warmer and wetter, and mammals were just beginning to get big.—
Riley Black,
Smithsonian Magazine,
6 June 2025
Cite this Entry
“Noachian.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/Noachian. Accessed 14 Jun. 2025.
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