Music An imitative polyphonic composition in which a theme or themes are stated successively in all of the voices of the contrapuntal structure.
Psychiatry A pathological amnesiac condition during which one is apparently conscious of one's actions but has no recollection of them after returning to a normal state. This condition, usually resulting from severe mental stress, may persist for as long as several months.
[Italian fuga (influenced by French fugue, from Italian fuga), from Latin, flight.] fu'gal (fyōō'gəl) adj., fu'gal·ly adv., fugue v., fugu'ist (fyōō'gĭst) n.