English definition of “dash”
› [I] to go somewhere quickly: She dashed downstairs when she heard the phone. I must dash. I've got to be home by 7 p.m.
dash sb's hopes › to destroy someone's hopes: Saturday's 2-0 defeat dashed their hopes of reaching the final.
dash (sth) against/on, etc literary › to hit or throw something with great force, usually causing damage: Waves dashed against the cliffs.