The software is distributed under these terms:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to read the Software only. Permission is hereby NOT GRANTED to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software.
This license does not pass Open Source Definition. Is there any other term besides "proprietary" which can be used to describe this approach for distributing source code?