1.an acrobatic feat of rolling or turning end over end
2.a sudden drop from an upright position;
he had a nasty spill on the ice
1.fall down, as if collapsing;
The tower of the World Trade Center tumbled after the plane hit it
2.cause to topple or tumble by pushing
3.roll over and over, back and forth
4.fly around;
The clothes tumbled in the dryer
5.fall apart;
the building crimbled after the explosion
6.throw together in a confused mass;
They tumbled the teams with no apparent pattern
7.understand, usually after some initial difficulty;
She didn't know what her classmates were plotting but finally caught on
8.fall suddenly and sharply;
Prices tumbled after the devaluation of the currency
9.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
10. suffer a sudden downfall, overthrow, or defeat
11. do gymnastics, roll and turn skillfully