Definition: Unlearningability in the context of artificial intelligence refers to a phenomenon where an AI system learns from its training data and gradually becomes more capable of performing tasks that are not previously possible, or even impossible. This capability is achieved through the process of "unlearning," which involves the AI system learning new skills without any explicit instruction or feedback from humans. The term has been used in various fields to describe situations where an AI system learns to perform a task or solve a problem without being explicitly told how to