The flux of radiation emitted per unit solid angle in a given direction by a unit area of a source.
The quality of being radiant, shining, bright or splendid.
The condition of being ugly.
An unsightly or frightful object.
Unpleasant behaviour.
Everything that's realistic has some sort of ugliness in it. Even a flower is ugly when it wilts, a bird when it seeks its prey, the ocean when it becomes violent. Sharon Tate