jejune
adjective
1. of insufficient quantity to meet a need
- the jejune diets of the very poor
Similar word(s): deficient, insufficient, inadequate, poor, short
2. displaying or suggesting a lack of maturity
- jejune responses to our problems
Similar word(s): immature, adolescent, juvenile, puerile
3. lacking interest or significance or impact
- jejune novel
Similar word(s): uninteresting, insipid