Dash  —v. 1 rush. 2 strike or fling forcefully, esp. So as to shatter (dashed it to the ground). 3 frustrate, dispirit (dashed their hopes). 4 colloq. (esp. Dash it or dash it all) = *damn v. 1. —n. 1 rush or onset; sudden advance. 2 horizontal stroke (–) in writing or printing to mark a pause etc. 3 impetuous vigour; capacity for or appearance of this. 4 us sprinting-race. 5 longer signal of two in morse code (cf. *dot n. 2). 6 slight admixture, esp. Of a liquid. 7 = *dashboard.  dash off write or draw hurriedly. [imitative]