1. without interest or significance; dull; insipid: a jejune novel.
2. juvenile; immature; childish: jejune behavior.
3. lacking knowledge or experience; uninformed: jejune attempts to design a house.
4. deficient or lacking in nutritive value: a jejune diet.
"friends can be jejune."
"appeals can be jejune."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.