Thesaurus

undercover

adjective

Synonyms & Antonyms of undercover

(Entry 1 of 3)

1 undertaken or done so as to escape being observed or known by others
  • an undercover operation to infiltrate the terrorist organization

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Antonyms for undercover

2 working on missions in which one's objectives, activities, or true identity are not publicly revealed
  • for months she's been an undercover agent pretending to be a drug dealer

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undercover

noun

Synonyms of undercover (Entry 2 of 3)

a person who tries secretly to obtain information for one country in the territory of another usually unfriendly country
  • within the city was a well-organized fifth column, and these undercovers would make themselves known as soon as the invading forces breached the city limits

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undercover

adverb

Synonyms & Antonyms of undercover (Entry 3 of 3)

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Time Traveler for undercover

Time Traveler

The first known use of undercover was in 1920

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Cite this Entry

“Undercover.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undercover. Accessed 25 Sep. 2020.

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Dictionary: Definition of undercover

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