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 Short text, editing, translation and unsupported models can all produce undetected content. — Aamir Khollam, Interesting Engineering, 5 Oct. 2026 Aviation security analysts told the Journal the episode represented a significant security failure and raised questions about how warning signs may have gone undetected before the co-pilot entered the cockpit. — Brittany Miller , John Roberts, FOXNews.com, 2 Oct. 2026 The prime minister of the Democratic Republic of Congo rejected framing the country’s relations with Washington as solely based around minerals, and offered a frank account of the cause of early Ebola cases remaining undetected. — Adrian Elimian, semafor.com, 22 Sep. 2026 Adult worms often go undetected in blood vessels, producing no noticeable symptoms, allowing the infection to become chronic. — Beth Mole, ArsTechnica, 22 Sep. 2026 See All Example Sentences for undetected

Recent Examples of Synonyms for undetected

Adjective

American technology giant Qualcomm announced plans this week to execute a new round of global layoffs, though exact figures remain undisclosed.

— , CNBC, 23 Oct. 2026
Flyers forward Tyson Foerster returned to the lineup after a one-game absence because of an undisclosed injury.

— CBS News, CBS News, 22 Oct. 2026

Definition of undisclosed

Adjective

Their list ‌of 250 ⁠largely unknown candidates includes university professors, actors and farmers, and is led by cardiologist Ilija Srdanovic.

— Reuters, NBC news, 25 Oct. 2026
Findings could improve future water monitoring Despite the notable differences, the researchers emphasized that their models do not directly measure unknown PFAS concentrations or establish additional health risks.

— Maria Mocerino, Interesting Engineering, 24 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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Style

“Undetected.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undetected. Accessed 28 Oct. 2026.

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Synonyms of undetected

adjective

Example Sentences

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