Entry 1 sense Webster, 1913 Impersonality /ĭmˌ-pẽrsˌ-ən-ăl'-ət-ē/ · Im·per·son·al·i·ty · IPA /ˌɪmpˌɜrsənˈælətiː/ 01 n. The quality of being impersonal; want or absence of personality. 1. The quality of being impersonal; want or absence of personality.