rentier ren·tier UK/ˈɹɒntɪeɪ/ US/ɹɑ̃ˈtjeɪ/ uncommon noun 1. someone whose income is from property rents or bond interest and other investments Related words Broader terms investor WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.