IPA: /ˈɡlɪb.nəs/
KK: /ɡlɪbnəs/
The quality of being smooth and persuasive in speech, often in a way that is insincere or superficial.
His glibness made it hard to trust his promises.
Glibness → It is formed from "glib" (of uncertain origin, possibly from Middle Dutch "glibberig", meaning slippery) and the suffix "-ness" (meaning the state or quality of). The word "glibness" refers to the quality of being smooth or slippery in speech, often implying insincerity or superficiality.
Think of someone who speaks in a 'slippery' way ('glib') — the '-ness' indicates the quality of that smoothness. This helps you remember that 'glibness' refers to the quality of being insincere or superficial in speech.