OVERTHROW, See Throw.

1. To turn upside down.

His wife overthrew the table.

2. To throw down.
3. To ruin to demolish.

When the walls of Thebes he overthrew.

4. To defeat to conquer to vanquish as, to overthrow an army or an enemy.
5. To subvert to destroy as, to overthrow the constitution or state to overthrow religion.