- clincher, determiner, determining factor - an argument that is conclusive
--1 is a kind of argument, statement
- clincher, decisive factor - a point or fact or remark that settles something conclusively
--2 is a kind of determinant, determiner, determinative, determining factor, causal factor
Derived form: verb clinch6 - clincher - a tool used to clinch nails or bolts or rivets
--3 is a kind of tool