unpremeditated

adj not previously and deliberately considered or planned; spontaneous 未经事先慎重考虑或计画的; 自发的: an unpremeditated attack 非预谋的攻击.

unpalatable, unpalatably, unparalleled, unparliamentary, unpaved, unpick, unplaced, unplanned, unplayable, unpleasant, unpleasantly, unpleasantness, unplug, unpopular, unpopularity, unpractised, unprecedented, unprecedentedly, unpredictable, unprejudiced, unprepossessing, unpretentious, unprincipled, unprintable, unproductive, unprofessional, unprofessionally, unprofitable, unpromising, unprompted, unpronounceable, unprovided, unprovoked, unpunished, unputdownable, unqualified, unquestionable, unquestionably, unquestioned, unquestioning,