The Collaborative International Dictionary of English v.0.48:
Uncomprehensive \Un*com`pre*hen"sive\, a.
1. Unable to comprehend.
[1913 Webster]
Narrow-spirited, uncomprehensive zealots. --South.
[1913 Webster]
2. Incomprehensible. [Obs.] --Shak.
[1913 Webster]