1. comparative form of glib; more fluent and voluble but with little regard for what is appropriate or truthful

Examples

• The second salesman was even glibber than the first, making promises he clearly couldn’t keep.
• Her glibber responses during the debate showed she was avoiding the real issues.
• He became glibber with each interview, but his answers grew less substantial.
• The politician’s glibber rhetoric failed to convince the skeptical audience.
• She found his glibber explanations increasingly annoying and superficial.