unsay

v (pt, pp unsaid / -5sed; -`sZd/) [Tn esp passive 尤用於被动语态] (fml 文) take back (sth that has been said); retract 取消, 收回（说过的话）; 撤回: What is said cannot be unsaid. 话已出口, 无法收回.

unrequited, unreserved, unreservedly, unresolved, unresponsive, unrest, unrestrained, unripe, unrivalled (US unrivaled), unroll, unruffled, unruliness, unruly, UNRWA, unsafe, unsaid, unsalable, unsatisfactory, unsaturated, unsavoury (US unsavory), unscathed, unscented, unschooled, unscientific, unscramble, unscrew, unscripted, unscrupulous, unscrupulously, unscrupulousness, unseat, unseemliness, unseemly, unseen, unselfish, unserviceable, unsettle, unsettled, unsettling, unshakable,