1. To push, shove, or elbow someone to one side. A noun or a pronoun can be used between "jostle" and "aside." Please don't jostle aside the other customers—wait your turn like everyone else. Some jerk kept jostling people aside as he made his way to the front of the crowd.
2. To take by force the prominent position previously held by someone or some group. A noun or a pronoun can be used between "jostle" and "aside." The country has jostled aside the dominant nations over the years to become the most powerful economy in the world. The environment is jostling the jobless rate aside as the topic most hotly debated by campaigning politicians.
jostle someone aside
to push or nudge someone aside. Poor little Timmy was jostled aside by the crowd every time he got near the entrance. The big kids jostled aside all the little ones.