The difference between Holy and Inviolable

When used as adjectives, holy means dedicated to a religious purpose or a god, whereas inviolable means not violable.

Holy is also noun with the meaning: a thing that is extremely holy.

check bellow for the other definitions of Holy and Inviolable

Holy as an adjective:

Dedicated to a religious purpose or a god.

Examples:

"I'm planning to visit the holy city of Jerusalem this Christmas."
Holy as an adjective:

Revered in a religion.
Holy as an adjective:

Perfect or flawless.
Holy as an adjective:

Separated or set apart from (something unto something or someone else).
Holy as an adjective:

Set apart or dedicated for a specific purpose, or for use by a single entity or person.
Holy as an adjective (slang):

Used as an intensifier in various interjections.

Examples:

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

"Those children next door are holy terrors!"

Holy as a noun (archaic):

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

Inviolable as an adjective:

Not violable; not to be infringed.
Inviolable as an adjective:

Not susceptible to violence, or of being profaned, corrupted, or dishonoured.
Inviolable as an adjective:

Incapable of being injured or invaded; indestructible.