Verb
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""rising smoke whirled in the air"5. fall apart;
"the building crimbled after the explosion""Negociations broke down"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