Undercover Definition

ŭndər-kŭvər
adjective
Conducted in secret or through the use of subterfuge, as in a police investigation or in spying.
An undercover investigation.
American Heritage
Acting or carried out in secret.
Undercover work as a spy.
Webster's New World
Engaged or employed in undercover activity.
Undercover FBI agents.
American Heritage
Antonyms:
noun

A person who works undercover.

Wiktionary

Other Word Forms of Undercover

Noun

Singular:
undercover
Plural:
undercovers

Origin of Undercover

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Unscrambles

undercover