Adjective toppling has 1 sense
  1. toppling - falling over as if from top-heaviness or lack of support; "a toppling pile of books"; "toppling empires"
    Antonyms:
    standing, upright (indirect, via falling)
,Verb topple has 2 senses
  1. tumble, topple - fall down, as if collapsing; "The tower of the World Trade Center tumbled after the plane hit it"
    --1 is one way to descend, fall, go down, come down
    Sample sentences:
    Something ----s
    Somebody ----s
  2. topple, tumble, tip - cause to topple or tumble by pushing
    --2 is one way to push, force
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
    Something ----s somebody
    Something ----s something
,
TOP