All adjectives may be divided into two types:
self-descriptive and non-self-descriptive.
Here are some self-descriptive adjectives:
Here are some non-self-descriptive adjectives:
So, to which type does the following adjective belong?
If the word is really non-self-descriptive, then it applies to itself. But that would make it self-descriptive. And if it's self-descriptive, then it is describing itself as being non-self-descriptive.