Read the dictionary definition of jejune. All definitions for this word.
1. lacking interest or significance or impact
1. an insipid personality
2. jejune novel
2. displaying or suggesting a lack of maturity
1. adolescent insecurity
2. jejune responses to our problems
3. their behavior was juvenile
4. puerile jokes
3. of insufficient quantity to meet a need
1. an inadequate income
2. a poor salary
3. money is short
4. on short rations
5. food is in short supply
6. short on experience
7. the jejune diets of the very poor