What is the meaning of tumble?

noun

• An acrobatic feat of rolling or turning end over end.
• A sudden drop from an upright position.
  • usage: "he had a nasty spill on the ice"
  • synonyms: spill, fall

verb

• Fall down, as if collapsing.
  • usage: "The tower of the World Trade Center tumbled after the plane hit it"
  • synonyms: topple
• Cause to topple or tumble by pushing.
  • synonyms: topple, tip
• Roll over and over, back and forth.
• Fly around.
  • usage: "The clothes tumbled in the dryer"; "rising smoke whirled in the air"
  • synonyms: whirl, whirl around
• Fall apart.
  • usage: "the building crumbled after the explosion"; "Negotiations broke down"
  • synonyms: crumble, crumple, break down, collapse
• Throw together in a confused mass.
  • usage: "They tumbled the teams with no apparent pattern"
• Understand, usually after some initial difficulty.
  • usage: "She didn't know what her classmates were plotting but finally caught on"
  • synonyms: catch on, get wise, get onto, latch on, cotton on, twig, get it
• Fall suddenly and sharply.
  • usage: "Prices tumbled after the devaluation of the currency"
• Put clothes in a tumbling barrel, where they are whirled about in hot air, usually with the purpose of drying.
  • usage: "Wash in warm water and tumble dry"
• Suffer a sudden downfall, overthrow, or defeat.
• Do gymnastics, roll and turn skillfully. .