Glib (adj)
glib
(of words or a speaker) fluent but insincere and shallow.
Late 16th century (also in the sense ‘smooth, unimpeded’): ultimately of Germanic origin; related to Dutch ‘slippery’ and German glibberig ‘slimy’.
Example sentences
“Her glib promises meant nothing, and they knew it.”
Word of the Day - Fulgent (adj) ful-jhunt
Word of the Day - Gamut (noun) gam-uht