What is glib definition?

The term "glib" refers to someone who speaks easily and smoothly in a way suggests insincerity or a lack of thoughtfulness. Glib can also be used to describe a comment or statement that is too easy or simplistic, lacking in substance or depth. It can be seen as a negative quality, as people who are glib may come across as shallow or lacking in empathy. Glibness can be contrasted with sincerity, thoughtfulness, and depth of analysis.