Answer: jejune

AnswerCrossword Clue
JEJUNEDull; vapid
jejunenaive (lacking sophistication)
jejunelacking interest or importance
jejunelacking maturity; childish
jejunewithout interest or significance; dull; insipid.
JEJUNEImmature
JEJUNELacking interest
JEJUNELacking significance
JEJUNEBanal
JEJUNENot exciting
JEJUNEDull
JEJUNEFlat
JEJUNEStale, flat, and unprofitable.
JEJUNEDull and flat.
JEJUNEChildish
JEJUNEInsipid
JEJUNENot interesting