Providing little or no information; not informative.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "uninformative" in a sentence
"He was finishing his soup, his expression uninformative, but then he glanced down the table and caught her eye."
"The bone had stayed clean, Paabo said, because "it's rather small and uninteresting and was thrown in a big box of 'uninformative' bones and was not handled much by people.""
"The upshot has been a string of uninformative MoD briefings."