push

Definition:

The term "push" literally means to physically move something away using force. There are also several figurative meanings of this term.

The expression "push away" can mean "reject" or "refuse to help."
To "push down" can mean to "oppress" or "persecute" or "defeat." It can also mean that someone is literally being pushed down to the ground.
To "push someone out" means to "get rid of" or "send away" that person.
The expression "push ahead" means to persevere or to continue doing something without really making sure it is right or safe.