tumble in definition
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  tumble(noun) an acrobatic feat of rolling or turning end over end. 2  spill, tumble, fall(verb) a sudden drop from an upright position. 3  tumble, topple(verb) fall down, as if collapsing.  topple, tumble, tip(verb) cause to topple or tumble by pushing.