tumble in WordNet English dictionary

1. fall apart
   "the building crumbled after the explosion"; "Negotiations broke down"
   crumble  crumple  tumble  break down  collapse 
   
2. understand, usually after some initial difficulty
   "She didn't know what her classmates were plotting but finally caught on"
   catch on  get wise  get onto  tumble  latch on  cotton on  twig  get it 
   
3. cause to topple or tumble by pushing
   topple  tumble  tip 
   
4. fall down, as if collapsing
   "The tower of the World Trade Center tumbled after the plane hit it"
   tumble  topple 
   
5. do gymnastics, roll and turn skillfully
   tumble 
   
6. fall suddenly and sharply
   "Prices tumbled after the devaluation of the currency"
   tumble 
   
7. suffer a sudden downfall, overthrow, or defeat
   tumble 
   
8. put clothes in a tumbling barrel, where they are whirled about in hot air, usually with the purpose of drying
   "Wash in warm water and tumble dry"
   tumble 
   
9. throw together in a confused mass
   "They tumbled the teams with no apparent pattern"
   tumble 
   
10. roll over and over, back and forth
    tumble 
    
11. fly around
    "The clothes tumbled in the dryer"; "rising smoke whirled in the air"
    whirl  tumble  whirl around 
    

1. a sudden drop from an upright position
   "he had a nasty spill on the ice"
   spill  tumble  fall 
   
2. an acrobatic feat of rolling or turning end over end
   tumble