Holy

noun

A thing that is extremely holy; used almost exclusively in Holy of Holies.

1. Dedicated to a religious purpose or a god.

   I'm planning to visit the holy city of Jerusalem this Christmas.

2. Revered in a religion.
3. Morally perfect or flawless, or nearly so.

   My grandmother is a very holy woman.

4. Separated or set apart from (something unto something or someone else).
5. Set apart or dedicated for a specific purpose, or for use by a single entity or person.
6. Used as an intensifier in various interjections.

   Holy cow, I can’t believe he actually lost the race!