glib
Concise Oxford English Dictionary © 2008 Oxford University Press:
glib/ɡlɪb/
▶adjective (glibber, glibbest) fluent but insincere and shallow.
– derivatives
glibly adverb,
glibness noun.
glibly adverb,
glibness noun.
– origin C16: ult. of Gmc origin.
'glib' also found in these Oxford entries:

