Topple (verb)

1. To cause something to fall over or tip over.
2. To cause something to collapse or fall down.
3. To cause something to be overthrown or defeated.

Origin:

The word topple comes from the middle english word "topplen" which means to fall over or tip over.

Examples:

1. The strong wind toppled the tree.
2. He accidentally knocked over the vase, toppling it to the ground.
3. The government was toppled by the people's revolution.
4. The company was about to topple due to mismanagement.
5. The dominoes fell one by one, each toppling the next.