Entry 1 sense Webster, 1913 Immeability · Im·me·a·bil·i·ty · IPA /ˌɪmiəˈbɪlɪti/ 01 n. Lack of power to pass, or to permit passage; impassableness. 1. Lack of power to pass, or to permit passage; impassableness. “Immeability of the juices.” — Arbuthnot.