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 Adult worms often go undetected in blood vessels, producing no noticeable symptoms, allowing the infection to become chronic. — Beth Mole, ArsTechnica, 22 Sep. 2026 More is surely going on, undetected or unreported, even as there has been a minor online symphony of whistle-blowing, alarm-bell tolling, and pleas for legislative action. — Jill Lepore, New Yorker, 21 Sep. 2026 Scientists have discovered a crater on the moon that's bigger than the Roman Colosseum and is the result of a powerful impact two years ago that initially went undetected. — CBS News, 16 Sep. 2026 Threat patterns that would have otherwise gone undetected can be correlated. — Gaurav Kapoor, Forbes.com, 8 Sep. 2026 See All Example Sentences for undetected

Recent Examples of Synonyms for undetected

Adjective

Its top three customers (the third is undisclosed) generate 72% of its revenue in Q2, the company said.

— Jim Edwards, Fortune, 16 Oct. 2026
The work covers system development, demonstration, and integration efforts for an F-35 variant configured for an undisclosed Foreign Military Sales (FMS) customer.

— Kaif Shaikh, Interesting Engineering, 16 Oct. 2026

Definition of undisclosed

Adjective

Portioned cups of sauces, dressings have some sort of liquid sitting on the lids from an unknown source.

— NWA Democrat-Gazette, Arkansas Online, 19 Oct. 2026
At least seven Jews are among the 17,000 missing Lebanese people whose fate remains unknown decades after the 15-year war ended, according to the Jewish Telegraphic Agency.

— ABC News, ABC News, 18 Oct. 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

Seghers transforms Cooper into another of her restless desperadoes—a Vietnam vet in quest of an unspoiled world.

— Alex Ross, New Yorker, 12 Oct. 2026
Thompson’s work is more personal, painted from the perspective of a hiker passing through an open space, looking up and around at the buttes and the flora, exploring unspoiled ground in search of some spiritual connection to nature.

— Ray Mark Rinaldi, Denver Post, 5 Oct. 2026

Definition of unspoiled

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undetectable

undetected

undetermined

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“Undetected.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undetected. Accessed 20 Oct. 2026.

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Synonyms of undetected

adjective

Example Sentences

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