jejune vs inadequate

jejune and inadequate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
jejune	No	Yes	No	No
inadequate	No	Yes	No	No

As adjectives, jejune and inadequate are synonyms defined as:

Other synonyms of jejune include poor, short.

jejune (adjective)	inadequate (adjective)
displaying or suggesting a lack of maturity	lacking the requisite qualities or resources to meet a task
of insufficient quantity to meet a need	of insufficient quantity to meet a need
lacking interest or significance or impact