The difference between Ordinary and Unremarkable

When used as adjectives, ordinary means having regular jurisdiction, whereas unremarkable means not remarkable.

Ordinary is also noun with the meaning: a devotional manual.

check bellow for the other definitions of Ordinary and Unremarkable

Ordinary as an adjective (legal, of a judge):

Having regular jurisdiction; now only used in certain phrases.
Ordinary as an adjective:

Being part of the natural order of things; normal, customary, routine.

Examples:

"On an ordinary day I wake up at nine o'clock, work for six hours, and then go to the gym."
Ordinary as an adjective:

Having no special characteristics or function; everyday, common, mundane; often deprecatory.

Examples:

"I live a very ordinary life most of the time, but every year I spend a week in Antarctica."

"He looked so ordinary, I never thought he'd be capable of murder."
Ordinary as an adjective (Australia, New Zealand, colloquial, informal):

Bad or undesirable.

Ordinary as a noun (obsolete):

A devotional manual.
Ordinary as a noun (Christianity):

A rule, or book of rules, prescribing the order of service, especially of Mass.
Ordinary as a noun:

A person having immediate jurisdiction in a given case of ecclesiastical law, such as the bishop within a diocese.
Ordinary as a noun (obsolete):

A set portion of food, later as available for a fixed price at an inn or other eating establishment.
Ordinary as a noun (archaic, _, or, _, historical):

A place where such meals are served; a public tavern, inn.
Ordinary as a noun (heraldry):

One of the standard geometric designs placed across the center of a coat of arms, such as a pale or fess.
Ordinary as a noun:

An ordinary thing or person; the mass; the common run.
Ordinary as a noun (historical):

A penny-farthing bicycle.