Entry 1 sense Webster, 1913 Analgesia /(ăn`ăl*jē"zē̇*ȧ)/ · An·al·ge·si·a · IPA /ˌæn.əlˈd͡ʒiː.ʒə/ 01 n. Absence of sensibility to pain. 1. Absence of sensibility to pain.(Med.)