Etymology: < apocalyptic adj. + -ism suffix.
An apocalyptic doctrine or belief, esp. one based on an expectation of the imminent end of the present world order.
1884 Encycl. Brit. XVII. 842/2 No one has dealt such deadly blows to Chiliasm and Christian apocalypticism as Origen.
1948 J. L. Adams tr. P. Tillich Protestant Era ii. 23 Later apocalypticism emphasizes those miraculous elements, thus breaking through all limits of time and space.
1952 Sc. Jrnl. Theol. 5 120 Apocalypticism threatened to paralyse the life of the Church.