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Word of the Day Tuesday, June 9, 2026

undercover

/ˌʌndərˈkʌvər/ adjective, verb · British & US
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What does undercover mean?

adjective, verb

Concealed or disguised in order to remain incognito, especially in order to gather information or to carry out a secret operation. To operate secretly, often in order to gather information or to carry out a secret operation.

Example

"The undercover agent was able to gather crucial information without being detected."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for undercover

Antonyms of undercover

Rhymes with undercover

Etymologically related