A kind of fear or anxiety; Angst is German for “fear.” It is usually applied to a deep and essentially philosophical anxiety about the world in general or personal freedom. (Seeexistentialism.)
1944, from Ger. Angst "neurotic fear, anxiety, guilt, remorse" from O.H.G. angust, from the root of anger (q.v.). George Eliot used it (in Ger.) in 1849, and it was popularized in Eng. by translation of Freud's work, but as a foreign word until 1940s. O.E. had a cognate word, angsumnes "anxiety," but it died out.