Entry 1 sense Webster, 1913 Habitable /(hăb"ĭt*ȧ*b'l)/ · Hab·it·a·ble · IPA /ˈhæbɪtəbəl/ 01 a. Capable of being inhabited; that may be inhabited or dwelt in; as, the habitable world. 1. Capable of being inhabited; that may be inhabited or dwelt in; as, the habitable world.