something (as a fact or argument) that is decisive or overwhelmingthe prosecutor presented his coupe de grâce—a videotape of the beating
the prosecutor presented his coupe de grâce—a videotape of the beating
capper, clincher, crusher, topper
confutation, deathblow, knockoutdeterminant, factor
ace in the hole
in 1699
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。