Agent and Undercover agent

Agent noun - Something used to achieve an end.

Undercover agent and agent are semantically related. in spy topic. In some cases you can use "Undercover agent" instead a noun "Agent".

Nearby Words: agency, agential

Undercover agent noun - (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors.

Agent and undercover agent are semantically related. You can use "Agent" instead a noun phrase "Undercover agent".