The difference between Blessed and Unholy

When used as adjectives, blessed means having divine aid, or protection, or other blessing, whereas unholy means not holy.

check bellow for the other definitions of Blessed and Unholy

Blessed as an adjective:

Having divine aid, or protection, or other blessing.
Blessed as an adjective (Roman Catholicism):

A title indicating the beatification of a person, thus allowing public veneration of those who have lived in sanctity or died as martyrs.
Blessed as an adjective:

Held in veneration; revered.
Blessed as an adjective:

Worthy of worship; holy.
Blessed as an adjective (informal):

An intensifier; damned.

Examples:

"Not one blessed person offered to help me out."

Unholy as an adjective (by extension):

Not holy; evil, impure, or otherwise perverted.

Examples:

"The priest's unholy behaviour brought the church into disrepute."
Unholy as an adjective:

Dreadful, terrible, or otherwise atrocious.

Examples:

"What an unholy mess your room is in!"