UNDISCOVERED Synonyms: 29 Similar and Opposite Words

undiscovered

adjective

Definition of undiscovered

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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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of undiscovered Assets that go undiscovered can defeat a decedent's wishes entirely. — Tara Faquir, Forbes.com, 8 June 2026 Apart from Croatia and Slovenia, this region feels completely undiscovered in the best way possible. — Sarah Sekula, USA Today, 26 June 2026 Scientists have described more than 14,000 species worldwide, but experts believe that tens of thousands may still be out there undiscovered. — Maria Mocerino, Interesting Engineering, 13 June 2026 Rubin will look for undiscovered asteroids (including potentially hazardous ones heading toward Earth), unimaginably powerful cosmic explosions, and clues about the shadowy dark energy and dark matter that shape the universe. — Clara Moskowitz, Scientific American, 1 July 2026 See All Example Sentences for undiscovered

Recent Examples of Synonyms for undiscovered

Adjective

The discovery in plutonium hexaboride (PuB6) is significant because the heavy metal has been widely studied and used in industrial processes, yet this property remained unexplored.

— Ameya Paleja, Interesting Engineering, 30 June 2026
Helicopter flyovers of Big Cypress National Preserve identified remote indigenous mounds, to this day largely unexplored.

— Andres Viglucci, Miami Herald, 30 June 2026

Definition of unexplored

Adjective

The Forest Service reports the herd’s origins are unknown, noting it may be linked to mustang drives between Owens Valley and Nevada.

— Lila Seidman, Los Angeles Times, 30 June 2026
The international team, led by researchers at Aalto University, combined machine learning with quantum physics calculations to identify two previously unknown superconductors, YRu3B2 and LuRu3B2.

— Neetika Walter, Interesting Engineering, 30 June 2026

Definition of unknown

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undisclosed

undiscovered

undiscriminating

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“Undiscovered.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undiscovered. Accessed 7 Jul. 2026.

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Synonyms of undiscovered

adjective

Example Sentences

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