1. straight up and down with reference to the horizon, for example, a vertical line مستقیم از بالا و پایین مثلاً خط عمودی a. It wasn't easy to get the drunken man into a vertical position. b. The way to vote for your candidate is to pull the lever from the horizontal position to the vertical position. c. A circle surrounding a vertical line that ends in an inverted V is the well-known peace symbol.