Verb

1. Move with force,
2. Press, drive, or impel (someone) to action or completion of an action
3. Make publicity for; try to sell (a product)
4. Strive and make an effort to reach a goal
5. Press against forcefully without moving
6. Approach a certain age or speed
7. Exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for
8. Sell or promote the sale of (illegal goods such as drugs)
9. Move strenuously and with effort
10. Make strenuous pushing movements during birth to expel the baby