Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun clincher

3 senses of clincher

Sense 1
clincher, determiner, determining factor -- (an argument that is conclusive)
       => argument, statement -- (a fact or assertion offered as evidence that something is true; "it was a strong argument that his hypothesis was true")

Sense 2
clincher, decisive factor -- (a point or fact or remark that settles something conclusively)
       => determinant, determiner, determinative, determining factor, causal factor -- (a determining or causal element or factor; "education is an important determinant of one's outlook on life")

Sense 3
clincher -- (a tool used to clinch nails or bolts or rivets)
       => tool -- (an implement used in the practice of a vocation)