Entry 1 sense Webster, 1913 nymphomania /(nĭm`fō̇*mā"nĭ*ȧ)/ · nym·pho·ma·ni·a · IPA /nɪmfəˈmeɪnɪə/ 01 n. An uncontrollable excessive sexual desire in women, constituting a true disease. 1. An uncontrollable excessive sexual desire in women, constituting a true disease.(Med.)