as in unexplored
not having been found or noticed; not discovered
undiscovered territory The team of scientists searched the jungle for previously undiscovered species of insects.
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Recent Examples of undiscovered
Mammoth Cave is the world's longest cave system, stretching 426 miles beneath southern Kentucky, though experts speculate more mileage could remain undiscovered.
—
Ruby Grisin, The Courier-Journal, 24 July 2025
That’s because these distant objects have strangely aligned orbits that may indicate the gravitational influence of an undiscovered planet, per Gizmodo’s Passant Rabie.
—Margherita Bassi, Smithsonian Magazine, 22 July 2025
Revealing this hitherto undiscovered tendril of hot matter connecting galaxy clusters has the potential to aid scientists' understanding of these extreme structures and how they are connected across vast cosmic distances.
—Robert Lea, Space.com, 19 June 2025
As many as 100 undiscovered galaxies that are too faint to be seen could be surrounding the galaxy that houses Earth and the solar system, new research has found.
—Julia Jacobo, ABC News, 15 July 2025
See All Example Sentences for undiscovered
Ruby Grisin, The Courier-Journal, 24 July 2025
That’s because these distant objects have strangely aligned orbits that may indicate the gravitational influence of an undiscovered planet, per Gizmodo’s Passant Rabie.
—Margherita Bassi, Smithsonian Magazine, 22 July 2025
Revealing this hitherto undiscovered tendril of hot matter connecting galaxy clusters has the potential to aid scientists' understanding of these extreme structures and how they are connected across vast cosmic distances.
—Robert Lea, Space.com, 19 June 2025
As many as 100 undiscovered galaxies that are too faint to be seen could be surrounding the galaxy that houses Earth and the solar system, new research has found.
—Julia Jacobo, ABC News, 15 July 2025
See All Example Sentences for undiscovered
Recent Examples of Synonyms for undiscovered
Adjective
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Newsletter Sign up for our email newsletter for the latest science news So many unexplored secrets still lie at the outskirts of our solar system, where a potential candidate for a new dwarf planet lies.—
Jack Knudson,
Discover Magazine,
23 May 2025
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The move has faced international condemnation, particularly from experts who say that more research needs to be done into the impacts the practice might have on deep sea ecosystems, the majority of which remain unexplored.—
Simmone Shah,
Time,
7 May 2025
Adjective
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The mash bill is unknown but is believed to be 60%-75% corn, 20%-25% rye, with the balance of malted barley.—
Joseph V Micallef,
Forbes.com,
16 Aug. 2025
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Carter's availability is currently unknown, but the defensive star certainly has all eyes on him moving forward.—
Justin Grasso,
MSNBC Newsweek,
16 Aug. 2025
Cite this Entry
“Undiscovered.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undiscovered. Accessed 20 Aug. 2025.
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