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undercover

[uhn-der-kuhv-er, uhn-der-kuhv-] / ˌʌn dərˈkʌv ər, ˈʌn dərˌkʌv- /


Example Sentences

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After his loved ones were made to forget him, the arachnid hero fights crime undercover in this uninspired Marvel movie also featuring Zendaya and Mark Ruffalo.

From The Wall Street Journal Jul. 30, 2026

Its officers, who wear civilian clothes, have a network of undercover agents and informants dedicated to monitoring and infiltrating dissident movements and independent groups such as art collectives.

From The Wall Street Journal Jul. 5, 2026

They are the latest officers to lose their jobs following evidence gathered during an undercover BBC Panorama investigation.

From BBC Jun. 24, 2026

In 2005, an undercover investigator from the FDA called the farm and was told the milk was safe for human consumption.

From Salon Jun. 22, 2026

White sent Hoover a memo reporting that an undercover operative was on Hale’s ranch that very moment, spying.

From "Killers of the Flower Moon" by David Grann




Vocabulary lists containing undercover


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