Definitions

1. adjective

Given to or characterized by glib talk or behavior; excessively smooth or urbane in manner, but lacking in sincerity or substance.

“The politician’s glibbery smile and tone failed to convince the audience of his genuine intentions.”

2. noun

A quality or characteristic of being glib or excessively smooth in manner.

“The glibbery of the salesman’s presentation was off-putting to some customers.”