Main Entry: pre·se·nil·i·ty Pronunciation: "prE-s&-'nil-&t-E Function: noun Inflected Form: plural-ties 1: premature senility 2: the period of life immediately preceding senility
presenility pre·se·nil·i·ty (prē'sĭ-nĭl'ĭ-tē) n. The condition of one affected with the physical and mental characteristics of old age at an abnormally young age.