[n] a sudden drop from an upright position; "he had a nasty spill on the ice"
[n] an acrobatic feat of rolling or turning end over end
[v] do gymnastics, roll and turn skillfully
[v] suffer a sudden downfall, overthrow, or defeat
[v] put clothes in a tumbling barrel, where they are whirled about in hot air, ususally with the purpose of drying; "Wash in warm water and tumble dry"
[v] fall suddenly and sharply; "Prices tumbled after the devaluation of the currency"
[v] understand, usually after some initial difficulty
[v] throw together in a confused mass; "They tumbled the teams with no apparent pattern"
[v] roll over and over, back and forth
[v] fall down, as if collapsing
[v] fall apart; also used metaphorically; "Negociations broke down"
[v] fly around, as of paper on the sidewalk, or clothes in a dryer, or rising smoke in the wind
[v] cause to topple or tumble by pushing
Synonyms
break down, catch on, collapse, cotton on, crumble, crumple, fall, get it, get onto, latch on, skirl, spill, topple, twig, whirl, whirl around