Freud·i·an / ˈfroidēən/ Psychol. • adj. relating to or influenced by Sigmund Freud and his methods of psychoanalysis, esp. with reference to the importance of sexuality in human behavior. ∎  susceptible to analysis in terms of unconscious desires: he wasn't sure whether his passion for water power had some deep Freudian significance.• n. a follower of Freud or his methods.DERIVATIVES: Freud·i·an·ism / -ˌnizəm/ n.

Freudian (froi-di-ăn) adj. relating to or describing the work and ideas of Sigmund Freud (1856–1939): applied particularly to the school of psychiatry based on his teachings (see psychoanalysis).