Dedicated to a religious purpose or a god. (adjective)
Revered in a religion. (adjective)
Perfect or flawless. (adjective)
Separated or set apart from (something unto something or someone else). (adjective)
Set apart or dedicated for a specific purpose, or for use by a single entity or person. (adjective)
Used as an intensifier in various interjections. (adjective)
A thing that is extremely holy; used almost exclusively in Holy of Holies. (noun)
Examples of word holy
Rhejjub had been a great traveller in his day; had wandered over many portions of Arabia, and visited the holy city of Mecca; thus gaining the valuable privileges of a Suyud or _holy man_, which title alone was a passport and safeguard amongst even the lawless Ghilgyes and
Not content with this the bishop also committed to him his own authority  _to sow the_ holy _seed_  in a _nation_ which was not _holy_,  and to give to a people rude and living _without law_,  the law of life and of discipline.
When God says, 'I am holy: _I make holy_,' we see that one of the chief elements of His Holiness is this, that it seeks to communicate itself, to make partaker of its own perfection and blessedness.
'I am the Lord that bringeth you up out of the land of Egypt to be your God: ye shall therefore _be holy, for I am holy_'
And one cried to another, and said, _Holy, holy, holy_ is the Lord of hosts: the whole earth is full of His glory. '