mark of the beast Word Origin noun Theology.
- the mark put on the forehead of those who worship the beast, the symbol of opposition to God.
- the stain of apostasy, regarded as both indelible and inescapable. Rev. 13:16.
Origin of mark of the beast Middle English word dating back to 1350–1400 Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019