1. fifth column a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst
  2. fifth columnist a member of a clandestine subversive organization who tries to help a potential invader
  3. agony column a newspaper column devoted to personal problems
  4. lally column support column consisting of a steel cylinder filled with concrete
  5. catecholamine any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland
  6. support column a column that supports a heavy weight
  7. fifthly in the fifth place
  8. vertebral column the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  9. 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
  10. column a line of units following one after another
  11. spinal column the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
  12. medical man someone who practices medicine
  13. water lemon the edible yellow fruit of the Jamaica honeysuckle
  14. Wolffia columbiana smallest flowering plants known; of the Americas
  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. Fifth Avenue an avenue in Manhattan that separates the east side of Manhattan from the west side
  17. fifth wheel someone or something that is unwanted and unneeded
  18. fifty-seven being seven more than fifty
  19. genus Columnea genus of tropical American subshrubs and lianas
  20. fugleman a leader and organizer and spokesman

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.