1. fifth columnist a member of a clandestine subversive organization who tries to help a potential invader
  2. fifth column a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst
  3. columnist a journalist who writes editorials
  4. gossip columnist a journalist who writes a column of gossip about celebrities
  5. post-communist no longer communist; subsequent to being communistic
  6. viticulturist a cultivator of grape vine
  7. Fifth Crusade a Crusade under papal control from 1218 to 1221 that achieved military victories but failed when dissension arose over accepting the terms they had been offered
  8. vivisectionist a biologist who cuts open live animals for research
  9. communist relating to socialism that abolishes private ownership
  10. mythical monster a monster renowned in folklore and myth
  11. colonist one who settles or establishes a settlement in a new region
  12. Communist a member of the communist party
  13. newspaper columnist a columnist who writes for newspapers
  14. inclement severe, of weather
  15. Fifth Amendment an amendment to the Constitution of the United States that imposes restrictions on the government's prosecution of persons accused of crimes; mandates due process of law and prohibits self-incrimination and double jeopardy; requires just compensation if private property is taken for public use
  16. calumniate charge falsely or with malicious intent
  17. voluminosity greatness of volume
  18. family Columbidae doves and pigeons
  19. Fouquieria columnaris candlewood of Mexico and southwestern California having tall columnar stems and bearing honey-scented creamy yellow flowers
  20. feminist a supporter of equal rights for women