from
The Collaborative International Dictionary of English v.0.48
Glib \Glib\ (gl[i^]b), a. [Compar. {Glibber} (gl[i^]b"b[~e]r);
superl. {Glibbest} (gl[i^]b"b[e^]st).] [Prob. fr. D.
glibberen, glippen, to slide, glibberig, glipperig, glib,
slippery.]
[1913 Webster]
1. Smooth; slippery; as, ice is glib. [Obs.]
[1913 Webster]
2. Speaking or spoken smoothly and with flippant rapidity;
fluent; voluble; as, a glib tongue; a glib speech.
[1913 Webster]
I want that glib and oily art,
To speak and purpose not. --Shak.
Syn: Slippery; smooth; fluent; voluble; flippant.
[1913 Webster]