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.
But Sung, Bennett and Miller stayed his order, finding that the California deployment could go forward under an obscure and virtually untested subsection of the law. — Sonja Sharp, Los Angeles Times, 23 Oct. 2026 Does anyone believe that a new chief of staff, with an untested relationship with Trump, would survive any longer than an Apprentice contestant? — Chris Whipple, Vanity Fair, 19 Oct. 2026 This capability has raised a largely untested question about whether that processing itself can amount to an unlawful interception. — Mackenzie Sigalos,annie Palmer, CNBC, 18 Oct. 2026 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 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
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Cite this Entry

“Untested.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untested. Accessed 27 Oct. 2026.

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