what is the significance of the title THE GREAT GATSBY?

I really want to know that.

There is some irony in putting "great" as a descriptive adjective with Gatsby.

Here is a website that may help you. There is a good character description there.

http://www.sparknotes.com/lit/gatsby/canalysis.html

thank you

The significance of the title "The Great Gatsby" lies in its irony and deeper meaning. The term "great" typically denotes someone of exceptional abilities or admirable qualities. However, when paired with the character of Gatsby, it becomes ironic, as Gatsby's greatness is questionable.

To understand this further and explore the novel's themes and characters, you can refer to the website link you provided: http://www.sparknotes.com/lit/gatsby/canalysis.html. SparkNotes has a comprehensive character analysis that can shed light on the significance of the title and other facets of the novel.