Meaning : Failing to inform or clarify.
Example :
An unenlightening comment.
Synonyms : unilluminating
Tending to increase knowledge or dissipate ignorance.
An enlightening glimpse of government in action.Meaning : Not edifying.
Synonyms : unedifying
Enlightening or uplifting so as to encourage intellectual or moral improvement.
The paintings in the church served an edifying purpose even for those who could not read.