UNDETECTED Synonyms: 29 Similar and Opposite Words

undetected

adjective

Definition of undetected

as in undisclosed

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Example Sentences

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 undetected Yet the virus spread undetected for a month because researchers were unable to get permission from a rigid bureaucracy to test the swabs that would have helped identify it. — Jennifer Pahlka, Foreign Affairs, 18 Aug. 2026 Researchers believe the virus may have been spreading undetected since February, and an expert said cases were still being detected very late, thwarting chances of successful treatment. — Tasneem Nashrulla, semafor.com, 17 Aug. 2026 Ostad added that these melanomas often remain undetected until after the cancer has already spread. — Hanna Wickes, Sacbee.com, 17 Aug. 2026 Under Canadian law, refugees who sneak across the border and remain undetected for two weeks can then apply for asylum. — Trevor Hughes, USA Today, 15 Aug. 2026 See All Example Sentences for undetected

Recent Examples of Synonyms for undetected

Adjective

Horton has not practiced recently due to an undisclosed injury and was not on the practice field on Sunday.

— Andrew Destin, New York Times, 31 Aug. 2026
Its computing power in TOPS, or trillions of operations per second, remains undisclosed.

— Kaif Shaikh, Interesting Engineering, 29 Aug. 2026

Definition of undisclosed

Adjective

Many details remain unknown, but the lower prices apply only to new drugs and existing drugs available through Medicaid.

— Stephanie Armour, CBS News, 25 Aug. 2026
Forensic investigative genetic genealogy has emerged as a powerful tool in cold cases, allowing investigators to trace family connections from DNA evidence and identify people who may otherwise have remained unknown.

— Stepheny Price, FOXNews.com, 25 Aug. 2026

Definition of unknown

Adjective

Daisy has an unrevealed agenda, though, and soon forces like none Gilead has faced before (other than in The Handmaid’s Tale) will change the place forever (or at least until the next sequel/spinoff).

— Daniel Fienberg, HollywoodReporter, 2 Apr. 2026
Because the two of you had met naked, there was nothing unrevealed, right?

— Addie Citchens, New Yorker, 8 Mar. 2026

Definition of unrevealed

Adjective

Like many of her neighbors, Boyd struggled without power for 13 days before her lights came back on; struggling to find a charge for her cell phone, or even find unspoiled food during that time.

— Megan De Mar, CBS News, 25 Aug. 2026
Likewise, they generally haven't been affected by geological processes, meaning that the material they are composed of is unspoiled.

— Robert Lea, Space.com, 24 Aug. 2026

Definition of unspoiled

Browse Nearby Words

undetectable

undetected

undetermined

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“Undetected.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undetected. Accessed 1 Sep. 2026.

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Synonyms of undetected

adjective

Example Sentences

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Cite this Entry

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