Entry 1 sense Webster, 1913 nymphomaniac /(nĭm`fō̇*mā"nĭ*ăk)/ · nym·pho·ma·ni·ac · IPA /ˌnɪm.fəʊˈmeɪ.niˌæk/ 01 n. A woman afflicted with nymphomania. 1. A woman afflicted with nymphomania.