What does "glibness" mean?

The condition of being glib; having fluent words but shallowness in understanding.

What is a synonym for "glibness"?

Common synonyms include: articulateness, big mouth, blandness, breeziness, butter, candor.

noun

noun ·Uncommon ·College level

Noun

1
The condition of being glib; having fluent words but shallowness in understanding. countable, uncountable
2
a kind of fluent easy superficiality wordnet

"People often mistake his glibness for actual intelligence."

From glib + -ness.