Entry 1 sense Webster, 1913 Phylogenetic · Phy·lo·ge·net·ic · IPA /ˌfaɪ.loʊ.d͡ʒəˈnɛt.ɪk/ 01 a. Relating to phylogenesis, or the evolutionary history of a type of organism. 1. Relating to phylogenesis, or the evolutionary history of a type of organism.