More glib; more fluent and smooth in speech but without depth or sincerity.
Comparative form of 'glib,' which comes from Low German or Dutch origin, possibly related to 'glibberig' meaning slippery. The meaning evolved from physically slippery to describe smooth but superficial speech.
A glibber salesperson might convince you to buy something with charming words, but a glibber liar will have thought through their story even more carefully—smoothness can hide dishonesty.
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