Immaculate /(?)/

Im·mac·u·late

Immaculate

a.
  1. Without stain or blemish; spotless; undefiled; clear; pure.
    Were but my soul as pure From other guilt as that, Heaven did not hold One more immaculate.
    Thou sheer, immaculate and silver fountain.

Phrases & Compounds
Immaculate conception
the doctrine that the Virgin Mary was conceived without original sin.