Zero derivation—that is, the ability of a word to perform different grammatical functions without a change in form—is a celebrated feature of English. A sideshow of zero derivation is the fact that English has no barrier to using a principal verb form—the past participle—as an adjective. What's not to love, you may think, about the simplicity of using a single form to do so many jobs? I have no argument with this fantastic and flexible feature of English, only with the license it gives speakers and writers to use it in a weaselly way.  Continue reading...