Definition of misken:
(v) :
(transitive, UK dialectal) To misunderstand; mistake; have the wrong idea of.
(v) :
(transitive, UK dialectal) To mistake one for another; mistake in point of knowledge or recognition; misconceive.
(v) :
(transitive, UK dialectal) To fail to know; be ignorant or unaware of; appear to be ignorant of.
(v) :
(transitive, UK dialectal) To fail to recognise or identify.
(v) :
(transitive, UK dialectal) To refuse to acknowledge; disown; repudiate; pass over; ignore; disregard; neglect; overlook; disavow; disclaim; disown; deny.
(v) :
(reflexive, UK dialectal) To esteem oneself incorrectly; have a false or exaggerated opinion of oneself or one's position.