'Unblemished' in the Bible

how much more will the blood of Christ, who through the eternal [Holy] Spirit willingly offered Himself unblemished [that is, without moral or spiritual imperfection as a sacrifice] to God, cleanse your conscience from dead works and lifeless observances to serve the ever living God?

Pure and unblemished religion [as it is expressed in outward acts] in the sight of our God and Father is this: to visit and look after the fatherless and the widows in their distress, and to keep oneself uncontaminated by the [secular] world.

Now to Him who is able to keep you from stumbling or falling into sin, and to present you unblemished [blameless and faultless] in the presence of His glory with triumphant joy and unspeakable delight,