Oxford Dictionary English sliding scale nounnoun BrE BrE//ˌslaɪdɪŋ ˈskeɪl// ; NAmE NAmE//ˌslaɪdɪŋ ˈskeɪl// Add to my wordlistjump to other resultsa system in which the rate at which something is paid varies according to particular conditions Fees are calculated on a sliding scale according to income (= richer people pay more).See sliding scale in the Oxford Advanced American DictionaryCheck pronunciation: sliding scale oxfordlearnersdictionaries.com