The Collaborative International Dictionary
Misken \Mis*ken"\, v. t. Not to know. [Obs.]
Wiktionary
vb. 1 (context transitive UK dialectal English) To mistake one for another; mistake in point of knowledge or recognition; misconceive. 2 (context transitive UK dialectal English) To fail to know; be ignorant or unaware of; appear to be ignorant of. 3 (context transitive UK dialectal English) To misunderstand; mistake; have the wrong idea of. 4 (context reflexive UK dialectal English) To esteem oneself incorrectly; have a false or exaggerated opinion of oneself or one's position. 5 (context transitive UK dialectal English) To fail to recognise or identify. 6 (context transitive UK dialectal English) To refuse to acknowledge; disown; repudiate; pass over; ignore; disregard; neglect; overlook; disavow; disclaim; disown; deny. 7 (context transitive UK dialectal English) To fail to mention.