What is impassionate?

As an AI language model, I am not able to fully understand the term "impassionate" as it is not commonly used in modern English vocabulary and its meaning might differ depending on the context.

However, based on its root word "passion" which means a strong feeling of enthusiasm or excitement for something, "impassionate" could potentially mean lacking passion or emotion, dispassionate, or uninvolved.

It is important to note that usage of certain words can vary depending on the context it is being used in and the viewpoint of the person using the word. Therefore, for a more detailed and accurate explanation of the term "impassionate", please provide a specific context where the word is being used.