Akademik

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
Syn: ↑spy
Derivationally related forms: ↑spy (for: ↑spy)
Topics: ↑military, ↑armed forces, ↑armed services, ↑military machine, ↑war machine
Hypernyms: ↑secret agent, ↑intelligence officer, ↑intelligence agent, ↑operative
Hyponyms:
counterspy, ↑mole, ↑double agent, ↑espionage agent, ↑foreign agent, ↑infiltrator, ↑sleeper
Instance Hyponyms: ↑Mata Hari, ↑Margarete Gertrud Zelle

Useful english dictionary. 2012.