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.
Wastewater applications remain untested The researchers envision placing future versions of the biobattery inside wastewater pipes, where microorganisms could use organic matter in the water as fuel. — Neetika Walter, Interesting Engineering, 15 Oct. 2026 The law followed testimony from city officials and residents who said some smoke shops sell untested, unregulated and dangerous products, including to children. — Bryan Lynn, CBS News, 15 Oct. 2026 That keeps fast delivery from turning untested assumptions into permanent habits. — Expert Panel®, Forbes.com, 13 Oct. 2026 The Dodgers should get the equalizer in this best-of-seven series Monday afternoon with October superstar Yoshinobu Yamamoto facing relatively untested Logan Henderson. — Los Angeles Times, 12 Oct. 2026 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

Rhymes for untested

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Browse Nearby Words

untestable
untested
untether
See all Nearby Words

Cite this Entry

“Untested.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untested. Accessed 20 Oct. 2026.

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