unplayable

adj 1 (in games, of a ball) that cannot be played （比赛等, 指球）无法打的. 2 (of ground) not fit to be played on （指场地）不适宜比赛的. 3 (of music) too difficult to be played （指音乐）难以演奏的.

unobstructed, unobtainable, unobtrusive, unobtrusively, unoccupied, unofficial, unofficially, unoriginal, unorthodox, unorthodoxy, unpack, unpaid, unpalatable, unpalatably, unparalleled, unparliamentary, unpaved, unpick, unplaced, unplanned, unpleasant, unpleasantly, unpleasantness, unplug, unpopular, unpopularity, unpractised, unprecedented, unprecedentedly, unpredictable, unprejudiced, unpremeditated, unprepossessing, unpretentious, unprincipled, unprintable, unproductive, unprofessional, unprofessionally, unprofitable,