glib

adjectives

marked by lack of intellectual depth
"glib generalizations"; "a glib response to a complex question"
is derived from
is similar to
concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually
"superficial similarities"; "a superficial mind"; "his thinking was superficial and fuzzy"; "superficial knowledge"; "the superficial report didn't give the true picture"; "only superficial differences"
having only superficial plausibility
"glib promises"; "a slick commercial"
is derived from
artfully persuasive in speech
"a glib tongue"; "a smooth-tongued hypocrite"
is derived from