clincher

(noun)

noun

1. an argument that is conclusive

Similar word(s): determiner

Definition categories: communication, argument, statement

2. a point or fact or remark that settles something conclusively

Definition categories: thought, determinant, determinative, determiner

3. a tool used to clinch nails or bolts or rivets

Definition categories: man–made, tool

Sentences with clincher as a noun:

- The clincher was that we couldn't wait any longer to leave, or it would get dark.