untested

adjective

un·​test·​ed ˌən-ˈte-stəd How to pronounce untested (audio)
Synonyms of untestednext
: not put to a test : not proved by trial or experience
untested new drugs
an untested politician

Examples of untested in a Sentence

Recent Examples on the Web
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.
Experts say Chinese engineers are among the best in the world and will have designed mitigation efforts for earthquakes and other hazards – but those will be untested in such an environment. Simone McCarthy, CNN Money, 17 Dec. 2025 The program will fast-track construction of new and untested reactor designs built by private firms, with an explicit goal of having at least three nuclear test reactors up and running by the United States' 250th birthday, July 4, 2026. Geoff Brumfiel, NPR, 17 Dec. 2025 Why would Binance and MGX decide to use the largely untested USD1? John Cassidy, New Yorker, 15 Dec. 2025 Ohio State, though largely untested, has been dominant and looks poised to defend its national title after finally vanquishing Michigan. The Athletic College Football Staff, New York Times, 7 Dec. 2025 See All Example Sentences for untested

Word History

First Known Use

circa 1775, in the meaning defined above

Time Traveler
The first known use of untested was circa 1775

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Cite this Entry

“Untested.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untested. Accessed 23 Dec. 2025.

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