je ‧ june /dʒɪˈdʒuːn/ BrE AmE adjective formal
[ Date: 1600-1700 ; Language: Latin ; Origin: jejunus 'not eating, (of food) small in amount' ; influenced in meaning by French jeune 'young' ]
1 . ideas that are jejune are too simple:
jejune political opinions
2 . boring