Philonian UK /faɪˈləʊ.ni.ən/US /faɪˈloʊ.ni.ən/adjective 1noun 1forms 3 adjective1 •Of or relating to Philo of Alexandria (c. 25 BCE – c. 50 CE), a Hellenistic Jewish philosopher. noun1 •A follower of Philo's philosophy. formsPhilonians · more Philonian · most Philonian