1. plural of glibness; the quality of being fluent or persuasive in speech but often superficial or insincere
Usage: typically uncountable in singular form; plural used when referring to multiple instances or types of glib speech

Examples

• The politician's glibnesses masked a lack of genuine policy knowledge.
• Her glibnesses in conversation made it hard to trust her intentions.
• The salesman's glibnesses were designed to persuade customers without substance.
• Critics noted the glibnesses of his prepared remarks.
• Despite the glibnesses of the presentation, the audience remained skeptical.