Synonyms for Fifth column:

• n.

  •
  • rat,
  • a snake in the grass,
  • betrayer,
  • traitor.
  •enemy (noun)
  • Enemies,
  • disputant,
  • emulator,
  • revolutionaries,
  • seditionists,
  • prosecutors,
  • defamer,
  • invaders,
  • emulators,
  • defamers,
  • seditionist,
  • bad person,
  • backbiters,
  • prosecutor,
  • defiler,
  • other side,
  • Asperser,
  • traducer,
  • defilers,
  • backbiter,
  • vilifier,
  • Calumniator,
  • arch-enemy,
  • slanderer,
  • disputants,
  • saboteur,
  • saboteurs,
  • traducers,
  • slanderers.
  •espionage (noun)
  • espionage.
  •fifth column (noun)
  • Trojan Horse.
  •group (noun)
  • fifth column.
  •Other relevant words: (noun)
  • enemy.

• Other synonyms:

  •
  • turncoat,
  • judas,
  • ratfink.
  •Other relevant words (noun):
  • maquis,
  • guerillas,
  • guerrillas,
  • two-timing,
  • underground,
  • Fraternizer,
  • collaborators of enemy,
  • resistance,
  • infiltrators,
  • partizans,
  • collaborator,
  • security risk,
  • betraying,
  • treasonous,
  • subversives,
  • quisling,
  • double-crossing,
  • partisans,
  • collaborationist,
  • fifth columnist,
  • freedom fighters,
  • CRYPTO,
  • insurrectionists,
  • extremists,
  • subversive,
  • traitorous,
  • fellow traveler,
  • treasonable,
  • insurgents,
  • collaborators.

Hyponym for Fifth column:

• n.

  • group
    social unit, unit.

Meronym for Fifth column:

• n.

  • group
    fifth columnist, saboteur.