The words sacred or holy are sometimes used interchangeably and are often misunderstood to mean "important" or "special" instead of "set apart" and "pure."

According to Websters 1828 Dictionary (the more accurate definition given the spiritual context- Christian and beyond), sacred means "...separated from that which is common, vulgar, polluted, or open... or Holy." Holy, means "Properly, whole, entire or perfect, in a moral sense. Hence, pure in heart, temper or dispositions; free from sin and sinful affections. Applied to the Supreme Being, holy signifies perfectly pure, immaculate and complete in moral character..."