Generate the answer for a given question. The question requires common knowledge of English. Make sure that the answer is in detail, long, consistent with the context, and requires general knowledge of English. To be less repetitive, please vary your language for each question. Give a proper explanation to answer, and if necessary, provide the definition of various terms. And conclude your answer if it's long. If you have used other resources (e.g., Merriam Webster's.) to answer the question, include citations in your answer. You don't need to paraphrase the context of your resources, but make sure that your answer is consistent and complete.

Let's say I'm always hungry, even after I have my meal(s). What would be a word to express that? IMHO, I think starving, famished won't be applicable as these words would only describe the current situation.
Consider insatiable [appetite]. Insatiable means: always wanting more : not able to be satisfied (MW) Impossible to satiate or satisfy: an insatiable appetite (TFD) For example, Most children like to eat but for some an insatiable appetite means they always want more, causing real problems for parents. (BBC) The woman is insatiable. When the final whistle blows, she's eaten twenty-three sandwiches in ten minutes, setting a world record (Eat this Book) [Children] may go through phases where they seem to eat relatively little or are insatiable. (Feeding the Under 5s)