philosophy UK /fɪˈlɒs.ə.fi/US /fɪˈlɑ.sə.fi/noun 8verb 1forms 3 noun8 •the subject that uses careful thinking, not tests, to seek answers to big questions about life and what is realPhilosophy is often divided into five major branches: logic, metaphysics, epistemology, ethics and aesthetics. •A view or outlook regarding fundamental principles underlying some domain. •A general principle (usually moral). •A comprehensive system of belief. •(old-fashioned) A calm and thoughtful demeanor; calmness of temper. •(old-fashioned) Synonym of small pica (especially in French printing).Although I prefer small pica. Or as its^([sic]) sometimes known, philosophy. – Small pica, or philosophy, she said. It sounds like the title of a novel. With a girl heroine. — 2010 •(no longer used) A broader branch of (non-applied) science. •(no longer used) The love of wisdom. verb1 •(no longer used) To philosophize. formsphilosophied · philosophying · philosophies