The exteriors of the north Italian Gothic churches are characterized by the flatness of the roof; the treatment of the west facade as a mere screen wall, masking the true lines of the aisle roofs; the great circular window in the west front for lighting the nave; the absence of pinnacles owing to the unimportance of the buttresses; the west-end porches with columns resting on lions or other animals.
Temperance in the use of alcohol has followed the demonstration not only of its unimportance as a food or tonic, but also of its harmfulness, save in very small quantities.
The minute character of the narrative, the accurate description of the various journeyings, the unimportance of some of the details, especially some of the incidents of the shipwreck, are strong reasons for believing that the narrative is that of an eyewitness.
Looking into Napoleon's eyes Prince Andrew thought of the insignificance of greatness, the unimportance of life which no one could understand, and the still greater unimportance of death, the meaning of which no one alive could understand or explain.
There is nothing certain, nothing at all except the unimportance of everything I understand, and the greatness of something incomprehensible but all-important.
How would you define unimportance? Add your definition here.