Entry 1 sense Webster, 1913 Promiscuity /prōmˌ-ĭs-kyo͞o'-ət-ē/ · Pro·mis·cu·i·ty · IPA /ˌpɹɑm.ɪˈskju.ɪ.ti/ 01 n. Promiscuousness; confusion. 1. Promiscuousness; confusion.