understood Antonyms

barked up wrong tree did not know not understood calculated wrongly blew it misreckoned misknew got the wrong impression about got the wrong impression got the wrong idea about got the wrong idea didn't understand had no understanding took wrongly not registered never was familiar with never was acquainted with never understood never realized never learned never knew missed the point couldn't tell got the wrong end of the stick miscomprehended didn't know misconceived ignored forgot distorted disregarded discounted confused confounded blundered avoided misconstrued misread misinterpreted ununderstood misapprehended boobed rejected perverted overlooked misunderstood mistook missed acted