Answer:

corny

Answer	Crossword Clue
CORNY	Like many an old joke
CORNY	Trite and mawkish
CORNY	Trite, joke-wise

CORNY	Too earnest and old-school
CORNY	Unsophisticated
CORNY	Mawkishly sentimental
CORNY	Tiresomely unsubtle
CORNY	Like some bad jokes
CORNY	Like some groaners
CORNY	Groanworthy, as a joke
CORNY	Predictable, as humor goes

CORNY	Lacking subtlety
CORNY	Like a trite joke
CORNY	Lacking in subtlety
CORNY	Like Kansas in August
CORNY	Hardly sophisticated
CORNY	Trite
CORNY	Like a stale joke
CORNY	Groan-inducing, maybe

CORNY	Lame, as a joke
CORNY	Hardly scintillating
CORNY	Like most "Hee Haw" jokes
CORNY	Like some awful jokes
CORNY	Like Kansas in August?
CORNY	Like an old joke
CORNY	Like some humor
CORNY	Like some old jokes

CORNY	Hackneyed
CORNY	Not very innovative
CORNY	Hokey
CORNY	Banal
CORNY	Far from side-splitting
CORNY	Trite, as a joke
CORNY	Like the joke about the Iowa farmer?
CORNY	Trite.

CORNY	Outworn, trite: Colloq.
CORNY	Old-fashioned: Slang.
CORNY	Trite: Slang.
CORNY	Banal: Slang.
CORNY	Sentimental: Slang.