uninstructive
adjective
un·in·struct·ive ˌən-in-ˈstrək-tiv 
: not providing knowledge or information : not instructive
a vague and uninstructive text
an uninstructive comparison
uninstructively adverb
Word History
First Known Use
1666, in the meaning defined above
uninstructive
adjective
as in unenlightening
Synonyms & Similar Words
Relevance
- unenlightening
- unilluminating
- uninformative
- impractical
- useless
- unusable
- unhelpful
Antonyms & Near Antonyms
- instructive
- educational
- enlightening
- illuminating
- informative
- instructional
- educative
- informational
- detailed
- comprehensive
- copious
- informatory
- full
- edifying
- explanatory
- elucidative
- communicatory