1910, of or pertaining to the work or theories of Sigmund Freud (1856-1939), Austrian psychiatrist. Freudian slip first attested 1959 (for an earlier word for a similar notion, see heterophemy).
Entries linking to freudian
heterophemy n.
"the (unintentional) use of some other word or phrase in place of the one that was meant," 1875 (Grant White), from hetero- "other, different" + Greek phēmē "utterance" (from PIE root *bha- (2) "to speak, tell, say").