The revelation delivered to St. John, in the isle of Patmos, near the close of the first century, forming the last book of the New Testament.
- Bible The Book of Revelation.
- Any of a number of anonymous Jewish or Christian texts from around the second century B.C. to the second century A.D. containing prophetic or symbolic visions, especially of the imminent destruction of the world and the salvation of the righteous.
- Great or total devastation; doom: the apocalypse of nuclear war.
- A prophetic disclosure; a revelation.