superpolite

As a noun terms

is .

As an adjective superpolite is

exceptionally polite.

Superpoliteness is a derived term of superpolite.

As a noun superpoliteness

is exceptional politeness.

As an adjective superpolite is

exceptionally polite.

As adjectives the difference between polite and superpolite

is that polite is well-mannered, civilized while superpolite is exceptionally polite.

As a verb polite

is (obsolete|transitive) to polish; to refine; to render polite.