foothills foot·hills UK/ˈfʊt.hɪlz/ US/ˈfʊˌthɪlz/ uncommon noun 1. hilly land on the lower slopes of mountains Related words Broader terms hills WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.
