1500-1600 Probably from Low Germanglibberig ‘slippery’
Examples
EXAMPLES FROM OTHER DICTIONARIES
All of those glib egotistical talk show hosts annoy me.
The doctor made some glib comment about my headaches being "just stress."
EXAMPLES FROM THE CORPUS
I know this will sound glib, but don't pretend you aren't feeling what you feel.
Some of them, sadly, are glib, glossy reports which do the client companies few favours.
This is a false and counterproductive approach; it is to true open-mindedness what glib moral relativism is to genuine tolerance.
We're being rather glib here.
When women do confront sexism, the glib reply is often that it is a joke.
1said easily and without thinking about all the problems involved – used to show disapproval: glib generalizations2speaking easily but without thinking carefully – used to show disapproval: glib politicians—glibly adverb—glibness noun [uncountable]