gallopingEnglishOxford New American Dictionarygalloping /ˈɡaləpiNG, ˈɡæləpɪŋ / ▸ adjective 1 (of a horse) going at the pace of a gallop: the sound of galloping hooves. 2 (of a process or event) progressing in a rapid and seemingly uncontrollable manner: galloping inflation.