unscripted

adj (of a speech, broadcast, etc) made without a prepared script （指讲话、 广播等）无讲稿的: a language course based on natural unscripted dialogues, conversations, etc 以无讲稿的自然对话、 交谈等为基本教学方式的语言课.

unripe, unrivalled (US unrivaled), unroll, unruffled, unruliness, unruly, UNRWA, unsafe, unsaid, unsalable, unsatisfactory, unsaturated, unsavoury (US unsavory), unsay, unscathed, unscented, unschooled, unscientific, unscramble, unscrew, unscrupulous, unscrupulously, unscrupulousness, unseat, unseemliness, unseemly, unseen, unselfish, unserviceable, unsettle, unsettled, unsettling, unshakable, unshakeable, unsightliness, unsightly, unsinkable, unskilled, unskillful, unsmiling,