Beauty and ugliness are two opposite concepts that can be perceived in a spiritual and material point of view. We can define them starting from the artistic, philosophical and aesthetic elements. There's inner beauty, outer, spiritual, and physical. Introduces various definitions and options. For Maria, the concept of beauty and ugliness is presented in a flourished tree on one side and the same cut tree on the other side. Meet Javier Dominguez and Daniel Jeronimo Tobon, professors of the Institute of Philosophy of the University of Antioquia. Both are difficult words to define because they have various meanings. See how you can get the major number of meanings through a vox populi.