Fifth Column
[n] a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst
Related Information
Related Terms
betraying, collaborationist, collaborator, crypto, double-crossing, fellow traveler, fifth columnist, fraternizer, Judas-like, quisling, quislingistic, saboteur, security risk, subversive, traitorous, treasonable, treasonous, Trojan horse, Trojan-horse, t