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 Since the audit tool was introduced, multiple departments have announced arrests of officers across the state, signaling a level of misuse that may have previously gone undetected. — Taylor Croft, AJC.com, 9 July 2026 The concern is that screwworm may be spreading undetected throughout the Southwest, even as government agencies have moved quickly to contain infections. — Bloomberg, Mercury News, 7 July 2026 Strengthening Baltic defenses The A26 submarine is built to support multi-domain naval operations by combining stealth with the ability to collect intelligence while remaining undetected. — Neetika Walter, Interesting Engineering, 29 June 2026 Tel Aviv — The small drones cruise – undetected – over the skies of southern Lebanon and northern Israel, searching for targets. — Jeremy Diamond, CNN Money, 28 June 2026 See All Example Sentences for undetected

Recent Examples of Synonyms for undetected

Adjective

While many details remain undisclosed, the announcement confirms that Beijing is continuing to strengthen its nuclear deterrent as part of a broader military modernisation strategy.

— Prabhat Ranjan Mishra, Interesting Engineering, 2 Aug. 2026
However, rookie kicker Trey Smack struggled, making only 3-of-5 field goals, and cornerback Carrington Valentine left practice with an undisclosed injury.

— Rob Reischel, Forbes.com, 2 Aug. 2026

Definition of undisclosed

Adjective

The cargo vessel struck by an unknown projectile in the Strait of Hormuz north of Oman suffered a complete blackout, according to a report from the Marisks maritime risk management group.

— Hanna Ziady, CNN Money, 4 Aug. 2026
For those with diabetes, that often means going open source and assuming some unknown risks.

— Dana P. Goldman, STAT, 4 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

Less than an hour south of Lisbon, along Portugal's unspoiled Alentejo coastline, lies an emerging golf destination that is redefining what travelers can expect from the country's golf landscape.

— Jeff Goudy, Forbes.com, 27 July 2026
This is some of the last unspoiled land on the continent, habitat for many, many endangered and endemic species, but sadly it’s being killed by Silicon Valley and Wall Street.

— Literary Hub, Literary Hub, 21 July 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 9 Aug. 2026.

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Synonyms of undetected

adjective

Example Sentences

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