Meaning of undercover

un•der•cov•er

Pronunciation: (un"dur-kuv'ur, un'dur-kuv"-), [key]
— adj.
  1. working or done out of public sight; secret: an undercover investigation.
  2. engaged in spying or securing confidential information: an undercover agent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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