extortionate adj. + Add to list US //ɛkˈstɔɹʃəˌneɪt// UK //ɛkstˈɔːʃənət// ex·tor·tion·ate SynonymsEtymology Synonyms exorbitantoutrageoussteepunconscionableusuriousOrigin From extortion + -ate (adjective-forming suffix).