slay /sleɪ/ verb (past tensepst slew /sluː/, past participlepp slain /sleɪn/) [transitiveT] → sleigh1. KILL literary to kill someone – used especially in newspapers 杀害,残杀,谋杀〔尤用于报纸上〕► see thesaurus at kill 2. American EnglishAmE spoken informalFUNNY to amuse someone a lot 逗得…大笑 —slayer noun [countableC]