Entry 2 senses · 2 variants Webster, 1913 Inhabitable · In·hab·it·a·ble · IPA /ɪnˈhæbɪtəbəl/ a. a. 01 a. Capable of being inhabited; habitable. 1. Capable of being inhabited; habitable. “Systems of inhabitable planets.” — Locke. 02 a. Not habitable; not suitable to be inhabited. 1. Not habitable; not suitable to be inhabited.[Obs.] “The frozen ridges of the Alps Or other ground inhabitable.” — Shak.