three-dimensionality

noun

1. The state or characteristic of occupying, or of appearing to occupy, three dimensions of space.

   “[T]here are several fascinating mixed-media pieces that give subtle three-dimensionality to predominately flat surfaces.”

2. Complexity and depth of character.

   “Gleeson, a brilliant performer, shows us the face of evil but with the mitigating circumstances of humanity. But his three-dimensionality is jarring; at odds with the wooden movie around him.”

   “Dr. Williams . . . commended his "search for some way of talking about human value, human depth and three-dimensionality, that doesn't depend on God."”