Not understanding; having little or no comprehension.(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 "uncomprehending" in a sentence
"After following the "Gen-Y" saga for perhaps six months I remain uncomprehending of what precisely it is that Gen-Y wants."
"That's how someone can say anything else is 'uncomprehending' the problem."
"The hippos nearest to us watched with a kind of uncomprehending belligerence such as we had become used to at the airports in Zaire, but most of them simply lay there with their heads up on their neighbours 'rumps wearing huge grins of oafish contentment."