ghillie ghil·lie UK/ˈɡɪli/ US/ˈɡɪli/ uncommon noun 1. a shoe without a tongue and with decorative lacing up the instep Synonymsgillie Related words Broader terms shoe WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.