Adj. | 1. | jejune - lacking in nutritive value; "the jejune diets of the very poor" unwholesome - detrimental to physical or moral well-being; "unwholesome food"; "unwholesome habits like smoking" |
2. | ![]() immature - characteristic of a lack of maturity; "immature behavior" | |
3. | jejune - lacking interest or significance or impact; "an insipid personality"; "jejune novel" uninteresting - arousing no interest or attention or curiosity or excitement; "a very uninteresting account of her trip" |