run at (someone or something)
1. To run directly toward someone or something, especially in an aggressive manner. The police officer ran at the gunman and wrested the pistol from his hands. The dog began running at the mailman with his fangs bared.
2. To flee or retreat because of some prompt or inciting event. You don't want someone who's going to run at the first sign of danger. Everyone in the street ran at the sound of gunfire.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.