Scale/skeɪl/ Definition 1 of 6Pro Tip 1/2Quantifying Rank Scale can represent levels of quality, importance, or rank, often numerically. Your essay will be graded on a scale from A to F. Pro Tip 2/2Not Always Linear A scale doesn't always follow a linear progression; some scales have varied intervals. The earthquake was not large, only a 4 on the Richter scale.