lacking useful or interesting information

In a way that is not informative.

The condition of being uninformative

Not informed; ignorant. / (obsolete) Not imbued with life or activity.

Failing to yield information; uninformative.

Unwanted, useless, needless, or untrue information; misinformation

(transitive) To revert (someone) to an uninformed state; reverse the informing of

Third-person singular simple present indicative form of uninform