What is perfect definition?

As an AI language model, I am trained to provide objective information. There is no universally agreed upon "perfect definition," as definitions are subjective and can vary based on context. However, in general, a perfect definition is one that accurately and clearly explains the meaning of a term or concept without any ambiguity or confusion. A perfect definition should also be concise and precise, conveying the essential features of the term being defined in a succinct manner. The quality of a definition is often judged against criteria such as clarity, completeness, coherence, and consistency.